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2020
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| 1. | Joshi, Sarita; De Angelis, Paula; Zucknick, Manuela; Schjølberg, Aasa Rambæk; Andersen, Solveig Norheim; Clausen, Ole Petter Fraas. Role of the Wnt signaling pathway in keratoacanthoma. Cancer Reports 2020 ;Volume 3.(2) p. 1-11 AHUS OUS UiO |
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2018
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| 2. | de la Rosa-Carrillo, Daniel; Vindenes, Harald Bjarte; Kinsler, Veronica A; Rønnestad, Arild Erlend; Ringstad, Geir; Müller, Lil-Sofie Ording; Tafjord, Svetlana; Tønseth, Kim Alexander; Kvammen, Bjørn; Clausen, Ole Petter Fraas. Aggressive melanoma in an infant with congenital melanocytic nevus syndrome and multiple, NRAS and BRAF mutation-negative nodules. Pediatric dermatology 2018 ;Volume 35.(5) p. e281-e285 OUS UiO UNN |
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| 3. | Roscher, Ingrid; Falk, Ragnhild Sørum; Vos, Linda; Clausen, Ole Petter Fraas; Helsing, Per; Gjersvik, Petter; Robsahm, Trude Eid. Notice of retraction and replacement: Roscher et al. Validating 4 staging systems for cutaneous squamous cell carcinoma using population-based data: A nested case-control study. JAMA Dermatol. 2018;154(4):428-434. JAMA dermatology 2018 ;Volume 154.(12) p. 1488-1489 OUS KREFTREG UiO |
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| 4. | Roscher, Ingrid; Falk, Ragnhild Sørum; Vos, Linda; Clausen, Ole Petter Fraas; Helsing, Per; Gjersvik, Petter; Robsahm, Trude Eid. Validating 4 staging systems for cutaneous squamous cell carcinoma using population-based data. A nested case-control study. JAMA dermatology 2018 ;Volume 154.(4) p. 428-434 OUS UiO KREFTREG |
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2016
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| 5. | Joshi, Sarita; Schjølberg, Aasa Rambæk; Ekstrøm, Per Olaf; De Angelis, Paula; Zucknick, Manuela; Andersen, Solveig Norheim; Clausen, Ole Petter Fraas. Tp53/p53 status in keratoacanthomas. Journal of cutaneous pathology 2016 ;Volume 43.(7) p. 571-578 UiO OUS AHUS |
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2015
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| 6. | Andersen, Ina Marie; Fosby, Bjarte; Boberg, Kirsten Muri; Clausen, Ole Petter Fraas; Jebsen, Peter Wilhelm; Melum, Espen; Line, Pål Dag; Foss, Aksel; Schrumpf, Erik Wilhelm; Karlsen, Tom Hemming. Indications and Outcomes in Liver Transplantation in Patients with Primary Sclerosing Cholangitis in Norway. Transplantation direct 2015 ;Volume 1.(9) p. - OUS UiO |
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| 7. | Andresen, Kim; Boberg, Kirsten Muri; Vedeld, Hege Marie; Honne, Hilde; Jebsen, Peter Wilhelm; Hektoen, Merete; Wadsworth, Christopher A; Clausen, Ole Petter Fraas; Lundin, Knut E A; Paulsen, Vemund; Foss, Aksel; Mathisen, Øystein; Aabakken, Lars; Schrumpf, Erik; Lothe, Ragnhild A; Lind, Guro Elisabeth. Four DNA methylation biomarkers in biliary brush samples accurately identify the presence of cholangiocarcinoma. Hepatology 2015 ;Volume 61.(5) p. 1651-1659 OUS UiO |
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| 8. | Friis-Ottessen, Mariann; Burum-Auensen, Espen; Schjølberg, Aasa Rambæk; Ekstrøm, Per Olaf; Andersen, Solveig Norheim; Clausen, Ole Petter Fraas; De Angelis, Paula. TP53/p53 alterations and Aurora A expression in progressor and non-progressor colectomies from patients with longstanding ulcerative colitis. International Journal of Molecular Medicine 2015 ;Volume 35.(1) p. 24-30 UiO OUS AHUS |
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| 9. | Friis-Ottessen, Mariann. Genotypic and phenotypic changes in the colonic mucosa of patients suffering from longstanding ulcerative colitis. Unipub forlag 2015 (ISBN 978-82-8264-927-8) 80 p. Unipub forlag(1897) OUS UiO |
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| 10. | Kriegbaum, Mette Camilla; Clausen, Ole Petter Fraas; Lærum, Ole Didrik; Ploug, Michael. Expression of the Ly6/uPAR-Domain Proteins C4.4A and Haldisin in Non-Invasive and Invasive Skin Lesions. Journal of Histochemistry and Cytochemistry 2015 ;Volume 63.(2) p. 142-154 OUS HAUKELAND UiO |
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2014
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| 11. | Friis-Ottessen, Mariann; Bendix, Laila; Kølvraa, Steen; Andersen, Solveig Norheim; De Angelis, Paula; Clausen, Ole Petter Fraas. Telomere shortening correlates to dysplasia but not to DNA aneuploidy in longstanding ulcerative colitis. BMC Gastroenterology 2014 ;Volume 14.(1) UiO OUS AHUS |
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| 12. | Friis-Ottessen, Mariann; De Angelis, Paula; Schjølberg, Aasa Rambæk; Andersen, Solveig Norheim; Clausen, Ole Petter Fraas. Reduced hTERT protein levels are associated with DNA aneuploidy in the colonic mucosa of patients suffering from longstanding ulcerative colitis. International Journal of Molecular Medicine 2014 ;Volume 33.(6) p. 1477-1483 UiO OUS AHUS |
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| 13. | Pomianowska, Ewa; Schjølberg, Aasa Rambæk; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. COX-2 overexpression in resected pancreatic head adenocarcinomas correlates with favourable prognosis. BMC Cancer 2014 ;Volume 14458. UiO OUS |
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2013
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| 14. | Brackmann, Stephan; Pretorius, Maria E.; Klepp, Pasquale Catherine; Clausen, Ole Petter Fraas; Andersen, Solveig Norheim; Vatn, Morten H; Lothe, Ragnhild A; Lind, Guro Elisabeth; Danielsen, Håvard Emil. The distribution of chromosomal and microsatellite instability in colorectal cancers related to inflammatory bowel disease. Journal of Clinical Oncology 2013 ;Volume 31.(15) Suppl. may 20 OUS UiO |
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| 15. | Mantaka, Panagiota; Helsing, Per; Gjersvik, Petter; Bassarova, Assia Vassileva; Clausen, Ole Petter Fraas; Delabie, Jan. Clinical and Histopathological Features of Folliculotropic Mycosis Fungoides: a Norwegian Patient Series. Acta Dermato-Venereologica 2013 ;Volume 93.(3) p. 325-329 OUS UiO |
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| 16. | Pomianowska, Ewa; Westgaard, Arne; Mathisen, Øystein; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. Prognostic Relevance of Number and Ratio of Metastatic Lymph Nodes in Resected Pancreatic, Ampullary, and Distal Bile Duct Carcinomas. Annals of Surgical Oncology 2013 ;Volume 20.(1) p. 233-241 UiO OUS |
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| 17. | Westgaard, Arne; Pomianowska, Ewa; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. Intestinal-type and Pancreatobiliary-type Adenocarcinomas: How Does Ampullary Carcinoma Differ from Other Periampullary Malignancies?. Annals of Surgical Oncology 2013 ;Volume 20.(2) p. 430-439 OUS UiO |
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2012
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| 18. | Andresen, Kim; Boberg, Kirsten Muri; Vedeld, Hege Marie; Honne, Hilde; Hektoen, Merete; Wadsworth, Christopher A; Clausen, Ole Petter Fraas; Karlsen, Tom Hemming; Foss, Aksel; Mathisen, Øystein; Schrumpf, Erik; Lothe, Ragnhild A; Lind, Guro Elisabeth. Novel target genes and a valid biomarker panel identified for cholangiocarcinoma. Epigenetics 2012 ;Volume 7.(11) p. 1249-1257 UiO OUS |
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| 19. | Blonski, Katharina Maria; Blödorn-Schlicht, Norbert; Falk, Thomas M.; Faye, Ragnar Solberg; Clausen, Ole Petter Fraas. Increased detection of cutaneous leishmaniasis in Norway by use of polymerase chain reaction. APMIS - Journal of Pathologiy, Microbiology and Immunology 2012 ;Volume 120.(7) p. 591-596 OUS |
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| 20. | Folseraas, Trine; Melum, Espen; Rausch, Philipp; Juran, Brian D.; Ellinghaus, Eva; Shiryaev, Alexey; Lærdahl, Jon Kristen; Ellinghaus, David; Schramm, Christoph; Weismüller, Tobias J.; Gotthard, Daniel Nils; Hov, Johannes Espolin Roksund; Clausen, Ole Petter Fraas; Weersma, Rinse K.; Janse, Marcel; Boberg, Kirsten Muri; Björnsson, Einar; Marschall, Hanns-Ulrich; Cleynen, Isabelle; Rosenstiel, Philip; Holm, Kristian; Teufel, Andreas; Rust, Christian; Gieger, Christian; Wichmann, H.-Erich; Bergquist, Annika; Ryu, Euijung; Ponsioen, Cyriel Y.; Runz, Heiko; Sterneck, Martina; Vermeire, Severine; Beuers, Ulrich; Wijmenga, Cisca; Schrumpf, Erik; Manns, Michael P.; Lazaridis, Konstantinos N.; Schreiber, Stefan; Baines, John F.; Franke, Andre; Karlsen, Tom Hemming. Extended analysis of a genome-wide association study in primary sclerosing cholangitis detects multiple novel risk loci. Journal of Hepatology 2012 ;Volume 57.(2) p. 366-375 UiO OUS UiB |
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| 21. | Jørgensen, Kristin Kaasen; Grzyb, Krzysztof; Lundin, Knut E A; Clausen, Ole Petter Fraas; Aamodt, Geir; Schrumpf, Erik; Vatn, Morten H; Boberg, Kirsten Muri. Inflammatory bowel disease in patients with primary sclerosing cholangitis: clinical characterization in liver transplanted and non transplanted pateints. Inflammatory Bowel Diseases 2012 ;Volume 18.(3) p. 536-545 UiO AHUS OUS FHI |
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| 22. | Li, Jian; Wang, Kai; Gao, Fei; Jensen, Thomas D.; Li, Shengting T.; De Angelis, Paula; Kølvraa, Steen; Proby, Charlotte; Forslund, Ola; Bolund, Lars; Clausen, Ole Petter Fraas. Array Comparative Genomic Hybridization of Keratoacanthomas and Squamous Cell Carcinomas: Different Patterns of Genetic Aberrations Suggest Two Distinct Entities. Journal of Investigative Dermatology 2012 ;Volume 132.(8) p. 2060-2066 OUS |
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| 23. | Pomianowska, Ewa; Grzyb, Krzysztof; Westgaard, Arne; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. Reclassification of tumour origin in resected periampullary adenocarcinomas reveals underestimation of distal bile duct cancer. European Journal of Surgical Oncology 2012 ;Volume 38.(11) p. 1043-1050 OUS UiO |
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2011
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| 24. | Brackmann, Stephan; Pretorius, Maria E.; Andersen, Solveig Norheim; Langmark, Frøydis; Clausen, Ole Petter Fraas; Vatn, Morten; Danielsen, Håvard Emil. Large scale genomic instability in patients with colorectal cancer in inflammatory bowel disease. Association with clinicohistological factors and survival. Digestive Disease Week; 2011-05-07 - 2011-05-10 AHUS OUS UiO |
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| 25. | Holm, Sverre; Ueland, Thor; Dahl, Tuva Børresdatter; Michelsen, Annika; Skjelland, Mona; Russell, David; Nymo, Ståle Haugset; Krohg-Sørensen, Kirsten; Clausen, Ole Petter Fraas; Atar, Dan; Januzzi, James L.; Aukrust, Pål; Jensen, Jesper K.; Halvorsen, Bente. Fatty Acid Binding Protein 4 Is Associated with Carotid Atherosclerosis and Outcome in Patients with Acute Ischemic Stroke. PLOS ONE 2011 ;Volume 6.(12) UiO OUS |
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| 26. | Kalgaard, Ole Magne; Clausen, Ole Petter Fraas; Melbye, Ove Johan; Hovig, Torstein; Kvernebo, Knut. Nonspecific Capillary Proliferation and Vasculopathy Indicate Skin Hypoxia in Erythromelalgia. Archives of Dermatology 2011 ;Volume 147.(3) p. 309-314 UiO OUS |
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| 27. | Westgaard, Arne; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. Survival estimates after pancreatoduodenectomy skewed by non-standardized histopathology reports. APMIS - Journal of Pathologiy, Microbiology and Immunology 2011 ;Volume 119.(10) p. 689-700 UiO OUS |
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2010
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| 28. | Auensen, Espen; Skotheim, Rolf Inge; Schjølberg, Aasa Rambæk; Røislien, Jo; Lothe, Ragnhild A; Clausen, Ole Petter Fraas. Spindle proteins are differentially expressed in the various histological subtypes of testicular germ cell tumors. Journal of Carcinogenesis 2010 ;Volume 9.(1) p. 1-1 UiO OUS |
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| 29. | Brackmann, Stephan; Aamodt, Geir; Andersen, Solveig Norheim; Roald, Borghild; Langmark, Frøydis; Clausen, Ole Petter Fraas; Aadland, Erling; Fausa, Olav; Rydning, Andreas; Vatn, Morten H. Widespread But Not Localized Neoplasia in Inflammatory Bowel Disease Worsens the Prognosis of Colorectal Cancer. Inflammatory Bowel Diseases 2010 ;Volume 16.(3) p. 474-481 UiO KREFTREG AHUS OUS |
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| 30. | Gladhaug, Ivar Prydz; Westgaard, Arne; Schjølberg, Aasa Rambæk; Auensen, Espen; Pomianowska, Ewa; Clausen, Ole Petter Fraas. Spindle proteins in resected pancreatic head adenocarcinomas: BubR1 is an independent prognostic factor in pancreatobiliary-type tumours. Histopathology 2010 ;Volume 56.(3) p. 345-355 UiO OUS |
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| 31. | Hannisdal, Kirsten Solberg; Auensen, Espen; Schjølberg, Aasa Rambæk; De Angelis, Paula; Clausen, Ole Petter Fraas. Reduced expression of the spindle checkpoint protein BubR1 correlates with bad prognosis in tonsillar carcinomas. APMIS - Journal of Pathologiy, Microbiology and Immunology 2010 ;Volume 118.(3) p. 251-251 AHUS OUS |
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| 32. | Hannisdal, Kirsten Solberg; Burum-Auensen, Espen; Schjølberg, Aasa Rambæk; De Angelis, Paula; Clausen, Ole Petter Fraas. Correlation between reduced expression of the spindle checkpoint protein BubR1 and bad prognosis in tonsillar carcinomas. Head and Neck 2010 ;Volume 32.(10) p. 1354-1362 AHUS OUS |
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| 33. | Hannisdal, Kirsten Solberg; Schjølberg, Aasa Rambæk; De Angelis, Paula; Boysen, Morten Ebbe; Clausen, Ole Petter Fraas. Human papillomavirus (HPV)-positive tonsillar carcinomas are frequent and have a favourable prognosis in males in Norway. Acta Oto-Laryngologica 2010 ;Volume 130.(2) p. 293-299 OUS |
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| 34. | Hannisdal, Kirsten Solberg; Schjølberg, Aasa Rambæk; DeAngelis, Paula M.; Boysen, Morten Ebbe; Clausen, Ole Petter Fraas. HPV positive tonsillar carcinomas are frequent and have a favorable prognosis in males in Norway. APMIS - Journal of Pathologiy, Microbiology and Immunology 2010 ;Volume 118.(3) p. 246-246 UiO |
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| 35. | Kalgaard, Ole Magne; Clausen, Ole Petter Fraas; Melbye, Ove Johan; Hovig, Torstein; Kvernebo, Knut. Nonspecific Capillary Proliferation and Vasculopathy Indicate Skin Hypoxia in Erythromelalgia. Archives of Dermatology 2010 ;Volume 146.(11) p. - UiO OUS |
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| 36. | Xie, Xin; Nordgård, Ståle; Clausen, Ole Petter Fraas; Boysen, Morten Ebbe. Prognostic Significance of Bax and Bcl-2 Expression in Adenoid Cystic Carcinoma of Major and Minor Salivary Glands of Nasal and Oral Epithelium. Open Otorhinolaryngology Journal 2010 ;Volume 4. p. 20-26 UiO NTNU STO OUS |
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2009
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| 37. | Brackmann, Stephan; Aamodt, Geir; Andersen, Solveig Norheim; Roald, Borghild; Langmark, Frøydis; Clausen, Ole Petter Fraas; Aadland, E; Fausa, Olav; Rydning, Andreas; Vatn, Morten. Widespread but not localized neoplasia in inflammatory bowel disease worsens the prognosis of colorectal cancer. Inflammatory Bowel Diseases 2009 p. - UiO KREFTREG AHUS OUS |
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| 38. | Brackmann, Stephan; Andersen, Solveig Norheim; Aamodt, Geir; Frøydis, Langmark; Clausen, Ole Petter Fraas; Aadland, Erling; Fausa, Olav; Rydning, Andreas; Vatn, Morten H. Relationship between clinical parameters and the colitis-colorectal cancer interval in a cohort of patients with colorectal cancer in inflammatory bowel disease. Scandinavian Journal of Gastroenterology 2009 ;Volume 44.(1) p. 46-55 UiO KREFTREG AHUS OUS |
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| 39. | Westgaard, Arne; Schjølberg, Aasa Rambæk; Cvancarova, Milada; Eide, Tor Jacob; Clausen, Ole Petter Fraas; Gladhaug, Ivar Prydz. Differentiation markers in pancreatic head adenocarcinomas: MUC1 and MUC4 expression indicates poor prognosis in pancreatobiliary differentiated tumours. Histopathology 2009 ;Volume 54.(3) p. 337-347 UiO OUS |
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| 40. | Brackmann, Stephan; Andersen, Solveig Norheim; Aamodt, Geir; Roald, Borghild; Langmark, Frøydis; Clausen, Ole Petter Fraas; Aadland, Erling; Fausa, Olav; Rydning, Andreas; Vatn, Morten H. Two distinct groups of colorectal cancer in inflammatory bowel disease. Inflammatory Bowel Diseases 2009 ;Volume 15.(1) p. 9-16 UiO KREFTREG AHUS OUS |
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| 41. | Burum-Auensen, E; DeAngelis, PM; Schjolberg, A; Roislien, J; Mjaland, O; Clausen, Ole Petter Fraas. Reduced level of the spindle checkpoint protein BUB1B is associated with aneuploidy in colorectal cancers. APMIS - Journal of Pathologiy, Microbiology and Immunology 2009 ;Volume 117.(3) p. 232-232 UiO |
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| 42. | Burum-Auensen, E; Skotheim, Rolf Inge; Schjolberg, AR; Roislien, JO; Lothe, Ragnhild A; Clausen, Ole Petter Fraas. Spindle proteins show significant changes in expression during germ cell carcinogenesis and are differently expressed in the subgroups of testicular germ cell cancer. APMIS - Journal of Pathologiy, Microbiology and Immunology 2009 ;Volume 117.(3) p. 236-237 UiO |
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| 43. | Gladhaug, Ivar Prydz; Westgaard, Arne; Schjolberg, AR; Burum-Auensen, E; Pomianowska, Ewa; Clausen, Ole Petter Fraas. Spindle proteins in resected pancreatic head adenocarcinomas: BUB1B is an independent prognostic factor in pancreatobiliary-differentiated tumours. APMIS - Journal of Pathologiy, Microbiology and Immunology 2009 ;Volume 117.(3) p. 237-238 UiO |
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| 44. | Lehne, Gustav; Grasmo-Wendler, Unn-Hilde; Berner, Jeanne-Marie; Meza, Leonardo Andres Zepeda; Adamsen, Birgitte Lid; Flack, Aksel; Reiner, Andrew Henry; Clausen, Ole Petter Fraas; Hovig, Eivind; Myklebost, Ola. Upregulation of stem cell genes in multidrug resistant K562 leukemia cells. Leukemia Research 2009 ;Volume 33.(10) p. 1379-1385 UiO OUS |
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| 45. | Schjølberg, Aasa Rambæk; Clausen, Ole Petter Fraas; Auensen, Espen; De Angelis, Paula. Aneuploidy Is Associated with TP53 Expression but not with BRCA1 or TERT Expression in Sporadic Colorectal Cancer. Anticancer Research 2009 ;Volume 29.(11) p. 4381-4387 AHUS OUS |
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| 46. | Westgaard, Arne; Laronningen, S; Clausen, Ole Petter Fraas; Mellem, C; Eide, Tor Jacob; Mathisen, O; Moller, B; Gladhaug, Ivar Prydz. Standardized histopathologic reporting after pancreatoduodenectomy for adenocarcinoma is necessary to determine tumour origin, nodal and margin status, and assures prognostic validity. Scandinavian Journal of Gastroenterology 2009 ;Volume 44. p. 36-36 UiO |
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| 47. | Westgaard, Arne; Laronningen, S; Mellem, C; Eide, Tor Jacob; Clausen, Ole Petter Fraas; Moller, B; Gladhaug, Ivar Prydz. Standardized histopathologic reporting improves survival estimates: A population-based nationwide study of pancreatic head resections for adenocarcinoma from the Norwegian Cancer Registry. APMIS - Journal of Pathologiy, Microbiology and Immunology 2009 ;Volume 117.(3) p. 235-236 UiO |
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| 48. | Westgaard, Arne; Larønningen, Siri; Mellem, Christine; Eide, Tor Jacob; Clausen, Ole Petter Fraas; Møller, Bjørn; Gladhaug, Ivar Prydz. Are survival predictions reliable? Hospital volume versus standardisation of histopathologic reporting for accuracy of survival estimates after pancreatoduodenectomy for adenocarcinoma. European Journal of Cancer 2009 ;Volume 45.(16) p. 2850-2859 UiO KREFTREG OUS |
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2008
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| 49. | Auensen, Espen. Expression of spindle proteins in colorectal carcinogenesis and their association to DNA aneuploidy. Unipub forlag 2008 (ISBN 9788280727299) Dissertation for the degree of Dr.Med.(583) UiO |
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| 50. | Auensen, Espen; De Angelis, Paula; Schjølberg, Aasa Rambæk; Røislien, Jo; Mjaland, O; Clausen, Ole Petter Fraas. Reduced level of the spindle checkpoint protein BUB1B is associated with aneuploidy in colorectal cancers. Cell Proliferation 2008 ;Volume 41. p. 645-659 UiO |
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