Cristin

2023
1.	Evensen, Miriam; Klitkou, Søren Toksvig; Tollånes, Mette Christophersen; Juliusson, Pétur Benedikt; Kravdal, Øystein. Parental income gradients in child and adolescent mortality: Norwegian trends over half a century. Scandinavian Journal of Public Health 2023 s. - HAUKELAND UiO ISF UiB FHI OUS HVprivate Untitled

2.	Gidske, Gro; Sandberg, Sverre; Fauskanger, Pernille Kjeilen; Pelanti, Jonna; Tollånes, Mette Christophersen; Solsvik, Anne Elisabeth; Sølvik, Una Ørvim; Vie, Wenche Sletbakk; Stavelin, Anne. Aggregated data from the same laboratories participating in two glucose external quality assessment schemes show that commutability and transfers of values to control materials are decisive for the biases found. Clinical Chemistry and Laboratory Medicine 2023 s. - HVprivate UiB HAUKELAND Untitled

3.	Gjerde, Priyanthi Borgen; Tollånes, Mette Christophersen; Tropé, Ameli Ellen Claesdotter; Eide, Maj Liv; Natvik, Marianne; Puntervoll, Hanne Eknes. Livmorhalsprøvetaking i primærhelsetjenesten. Tidsskrift for Den norske legeforening 2023 ;Volum 143.(11) s. - NORCE UiB KREFTREG NTNU STO UiO Untitled

4.	Orth, Matthias; Vollebregt, Erik; Trenti, Tomaso; Shih, Patti; Tollånes, Mette Christophersen; Sandberg, Sverre. Direct-To-consumer laboratory testing (DTCT): Challenges and implications for specialists in laboratory medicine. Clinical Chemistry and Laboratory Medicine 2023 ;Volum 61.(4) s. 696-702 UiB Untitled
2022
5.	Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre; Tollånes, Mette Christophersen. Correction: Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study (Orphanet Journal of Rare Diseases, (2022), 17, 1, (72), 10.1186/s13023-022-02201-3). Orphanet Journal of Rare Diseases 2022 ;Volum 17.(1) s. - HAUKELAND FHI HVprivate UiB Untitled

6.	Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre; Tollånes, Mette Christophersen. Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study. Orphanet Journal of Rare Diseases 2022 ;Volum 17. s. 1-12 FHI HVprivate UiB HAUKELAND Untitled

7.	Puntervoll, Hanne Eknes; Jenum, Pål; Høye, Sigurd; Tollånes, Mette Christophersen. Throat infections and use of streptococcal antigen test and antibiotic treatment in general practice; a web-based survey. Scandinavian Journal of Primary Health Care 2022 ;Volum 40.(4) s. 466-473 UiO Untitled
2021
8.	Evensen, Miriam; Klitkou, Søren Toksvig; Tollånes, Mette Christophersen; Øverland, Simon Nygaard; Lyngstad, Torkild Hovde; Vollset, Stein Emil; Kinge, Jonas Minet. Parental income gradients in adult health: a national cohort study. BMC Medicine 2021 ;Volum 19. s. 1-14 UiO HVprivate FHI Untitled

9.	Landaas, Elisabeth Toverud; Storm, Margrethe Larsdatter; Tollånes, Mette Christophersen; Barlinn, Regine; Kran, Anne-Marte Bakken; Bragstad, Karoline; Christensen, Andreas; Andreassen, Trude. Diagnostic performance of a SARS-CoV-2 rapid antigen test in a large, Norwegian cohort. Journal of Clinical Virology 2021 ;Volum 137:104789. s. 1-5 UiO STO UiB FHI OUS Untitled

10.	Langhammer, Arnulf; Høines, Kristian Jong; Sjåstad, Geir Einar; Tollånes, Mette Christophersen; Østrem, Anders. Dugnad for økt kvalitet på bruk og tolkning av spirometri i primærhelsetjenesten. Utposten 2021 ;Volum 7. s. 14-17 NTNU UiB Untitled

11.	Strøm, Marianne Sørlie; Tollånes, Mette Christophersen; Wilcox, Allen J.; Lie, Rolv T.; Forthun, Ingeborg; Moster, Dag. Maternal Chronic Conditions and Risk of Cerebral Palsy in Offspring: A National Cohort Study. Pediatrics 2021 ;Volum 147.(3) s. - UiB HAUKELAND FHI HVprivate Untitled

12.	Strøm, Marianne; Tollånes, Mette Christophersen; Wilcox, Allen; Lie, Rolv Terje; Forthun, Ingeborg; Moster, Dag. Maternal Chronic Conditions and Risk of Cerebral Palsy in Offspring: A National Cohort Study. Pediatrics 2021 FHI UiB HAUKELAND Untitled

13.	Tollånes, Mette Christophersen; Jenum, Pål; Kierkegaard, Helene; Abildsnes, Eirik; Bævre-Jensen, Roar Magne; Breivik, Anne Christin; Sandberg, Sverre. Evaluation of 32 rapid tests for detection of antibodies against SARS-CoV-2. Clinica Chimica Acta 2021 ;Volum 519. s. 133-139 UiB HVprivate VV HAUKELAND Untitled
2020
14.	Agardh, Emilie, E.; Allebeck, Peter; Flodin, Pär; Wennberg, Peter; Ramstedt, Mats; Knudsen, Ann Kristin; Øverland, Simon Nygaard; Kinge, Jonas Minet; Tollånes, Mette Christophersen; Eikemo, Terje Andreas; Skogen, Jens Christoffer; Mäkelä, Pia; Gissler, Mika; Juel, Knud; Iburg, Kim Moesgaard; McGrath, John J.; Naghavi, Mohsen; Vollset, Stein Emil; Gakidou, Emmanuela; Danielsson, Anna-Karin. Alcohol‐attributed disease burden in four Nordic countries between 2000 and 2017: Are the gender gaps narrowing? A comparison using the Global Burden of Disease, Injury and Risk Factor 2017 study. Drug and Alcohol Review 2020 ;Volum 40.(3) s. 431-442 UiO UiB FHI UIS NTNU HVprivate SUS Untitled

15.	Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre; Tollånes, Mette Christophersen. Sick leave, disability, and mortality in acute hepatic porphyria: a nationwide cohort study. Orphanet Journal of Rare Diseases 2020 ;Volum 15.(1) s. 1-11 UiB HAUKELAND HVprivate Untitled

16.	Forthun, Ingeborg; Lie, Rolv T.; Strandberg-Larsen, Katrine; Haugland Solheim, Magne; Moster, Dag; Wilcox, Allen J.; Mortensen, Laust; Tollånes, Mette Christophersen. Parental education and the risk of cerebral palsy for children: an evaluation of causality. Developmental Medicine & Child Neurology 2020 ;Volum 62.(10) s. 1176-1181 UiB FHI HAUKELAND HVprivate Untitled

17.	Stavelin, Anne; Flesche, Kristine; Tollånes, Mette Christophersen; Christensen, Nina Gade; Sandberg, Sverre. Performance of Afinion HbA1c measurements in general practice as judged by external quality assurance data. Clinical Chemistry and Laboratory Medicine 2020 ;Volum 58.(4) s. 588-596 HVprivate UiB HAUKELAND Untitled

18.	Tollånes, Mette Christophersen; Jenum, Anne Karen; Berg, Tore Julsrud; Løvaas, Karianne Fjeld; Cooper, John; Sandberg, Sverre. Availability and analytical quality of hemoglobin A1c point-of-care testing in general practitioners’ offices are associated with better glycemic control in type 2 diabetes. Clinical Chemistry and Laboratory Medicine 2020 ;Volum 58.(8) s. 1349-1356 OUS HVprivate UiO SUS UiB HAUKELAND Untitled

19.	Tollånes, Mette Christophersen; Kran, Anne-Marte Bakken; Abildsnes, Eirik; Jenum, Pål; Breivik, Anne Christin; Sandberg, Sverre. Evaluation of eleven rapid tests for detection of antibodies against SARS-CoV-2. Clinical Chemistry and Laboratory Medicine 2020 ;Volum 58.(9) s. 1595-1600 HVprivate OUS FHI UiB HAUKELAND Untitled

20.	Tollånes, Mette Christophersen; Sjaastad, Geir E.; Aarli, Bernt Bøgvald; Sandberg, Sverre. Spirometry in chronic obstructive pulmonary disease in Norwegian general practice. BMC Family Practice 2020 ;Volum 21:235. s. 1-6 HVprivate UiB HAUKELAND Untitled
2019
21.	Knudsen, Ann Kristin; Allebeck, Peter; Tollånes, Mette Christophersen; Skogen, Jens Christoffer; Iburg, Kim Moesgaard; McGrath, John J.; Juel, Knud; Agardh, Emilie Elisabet; Ärnlöv, Johan; Bjørge, Tone; Carrero, Juan J.; Cederroth, Christopher R.; Eggen, Anne Elise; El-Khatib, Ziad; Ellingsen, Christian Lycke; Fereshtehnejad, Seyed-Mohammad; Gissler, Mika; Hadkhale, Kishor; Havmoeller, Rasmus; Johansson, Lars; Juliusson, Petur Benedikt; Kiadaliri, Aliasghar A.; Kisa, Sezer; Kisa, Adnan; Lallukka, Tea; Yitayew, Teferi Mekonnen; Meretoja, Tuomo J.; Meretoja, Atte; Naghavi, Mohsen; Neupane, Subas; Nguyen, Truc Trung; Petzold, Max; Plana-Ripoll, Oleguer; Shiri, Rahman; Sigurvinsdottir, Rannveig; Skirbekk, Vegard Fykse; Skou, Søren T.; Sigfusdottir, Inga Dora; Steiner, Timothy J.; Sulo, Gerhard; Truelsen, Thomas Clement; Vasankari, Tommi Juhani; Weiderpass, Elisabete; Vollset, Stein Emil; Vos, Theo; Øverland, Simon Nygaard. Life expectancy and disease burden in the Nordic countries: results from the Global Burden of Diseases, Injuries, and Risk Factors Study 2017. The Lancet Public Health 2019 ;Volum 4.(12) s. e658-e669 HK UiO KREFTREG SUS FHI NTNU OSLOMET UiB UiT Untitled

22.	Baravelli, Carl Michael; Sandberg, Sverre; Aarsand, Aasne Karine; Tollånes, Mette Christophersen. Porphyria cutanea tarda increases risk of hepatocellular carcinoma and premature death: A nationwide cohort study. Orphanet Journal of Rare Diseases 2019 ;Volum 14.(77) s. 1-10 HAUKELAND UiB HVprivate Untitled

23.	Baravelli, Carl Michael. Clinical long-term consequences of acute hepatic porphyria and porphyria cutanea tarda. : Universitetet i Bergen 2019 (ISBN 9788230848265) HAUKELAND UiB Untitled

24.	Forthun, Ingeborg. Socioeconomic inequalities in risk of having a child with cerebral palsy in Denmark and Norway. The roles of parental educational level and body mass index. : Universitetet i Bergen 2019 (ISBN 978-82-308-3509-8) UiB Untitled

25.	Kinge, Jonas Minet; Modalsli, Jørgen Heibø; Øverland, Simon Nygaard; Gjessing, Håkon K.; Tollånes, Mette Christophersen; Knudsen, Ann Kristin; Skirbekk, Vegard Fykse; Strand, Bjørn Heine; Håberg, Siri Eldevik; Vollset, Stein Emil. Association of Household Income with Life Expectancy and Cause-Specific Mortality in Norway, 2005-2015. Journal of the American Medical Association (JAMA) 2019 ;Volum 321.(19) s. 1916-1925 FHI SSB OUS SIV UiO UiB Untitled
2018
26.	Forthun, Ingeborg; Strandberg-Larsen, Katrine; Wilcox, Allen J; Moster, Dag; Petersen, Tanja Gram; Vik, Torstein; Lie, Rolv T.; Uldall, Peter; Tollånes, Mette Christophersen. Parental socioeconomic status and risk of cerebral palsy in the child: evidence from two Nordic population-based cohorts. International Journal of Epidemiology 2018 ;Volum 47.(4) s. 1298-1306 FHI HAUKELAND UiB NTNU HVprivate Untitled

27.	Petersen, Tanja Gram; Andersen, Anne-Marie Nybo; Uldall, Peter; Paneth, Nigel; Feldt-Rasmussen, Ulla; Tollånes, Mette Christophersen; Strandberg-Larsen, Katrine. Maternal thyroid disorder in pregnancy and risk of cerebral palsy in the child: a population-based cohort study. BMC Pediatrics 2018 ;Volum 18.(1) s. - FHI Untitled

28.	Petersen, Tanja Gram; Liew, Zeyan; Andersen, Anne-Marie Nybo; Andersen, Guro Lillemoen; Andersen, Per Kragh; Martinussen, Torben; Olsen, Jorn; Rebordosa, Cristina; Tollånes, Mette Christophersen; Uldall, Peter; Wilcox, Allen J; Strandberg-Larsen, Katrine. Use of paracetamol, ibuprofen or aspirin in pregnancy and risk of cerebral palsy in the child. International Journal of Epidemiology 2018 ;Volum 47.(1) s. 121-130 SIV FHI Untitled

29.	Tollånes, Mette Christophersen; Knudsen, Ann Kristin; Vollset, Stein Emil; Kinge, Jonas Minet; Skirbekk, Vegard Fykse; Øverland, Simon Nygaard. Sykdomsbyrden i Norge i 2016. Tidsskrift for Den norske legeforening 2018 ;Volum 138.(15) s. - UiO FHI UiB Untitled

30.	Øverland, Simon Nygaard; Knudsen, Ann Kristin; Vollset, Stein Emil; Kinge, Jonas Minet; Skirbekk, Vegard Fykse; Tollånes, Mette Christophersen. Sykdomsbyrden i Norge i 2016. Resultater fra Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016). Oslo: Folkehelseinstituttet, Område for psykisk og fysisk helse 2018 (ISBN 978-82-8082-960-3) 49 s. FHI Untitled
2017
31.	Baravelli, Carl Michael; Sandberg, Sverre; Aarsand, Aasne Karine; Nilsen, Roy Miodini; Tollånes, Mette Christophersen. Acute hepatic porphyria and cancer risk: a nationwide cohort study. Journal of Internal Medicine 2017 ;Volum 282.(3) s. 229-240 HVprivate HAUKELAND UiB FHI HVL Untitled

32.	Gakidou, Emmanuela; Afshin, Ashkan; Abajobir, Amanuel Alemu; Abate, Kalkidan Hassen; Abbafati, Cristiana; Abbas, Kaja M.; Abd-Allah, Foad; Abdulle, Abdishakur M.; Abera, Semaw Ferede; Aboyans, Victor; Abu-Raddad, Laith J.; Abu-Rmeileh, Niveen M. E.; Abyu, Gebre Yitayih; Adedeji, Isaac Akinkunmi; Adetokunboh, Olatunji; Afarideh, Mohsen; Agrawal, Anurag; Agrawal, Sutapa; Kiadaliri, Aliasghar Ahmad; Ahmadieh, Hamid; Ahmed, Muktar Beshir; Aichour, Amani Nidhal; Aichour, Ibtihel; Aichour, Miloud Taki Eddine; Akinyemi, Rufus Olusola; Akseer, Nadia; Alahdab, Fares; Al-Aly, Ziyad; Alam, Khurshid; Alam, Noore; Alam, Tahiya; Alasfoor, Deena; Alene, Kefyalew Addis; Alizadeh-Navaei, Reza; Alkerwi, Ala'a; Alla, Francois; Allebeck, Peter; Al-Raddadi, Rajaa; Alsharif, Ubai; Altirkawi, Khalid A.; Alvis-Guzman, Nelson; Amare, Azmeraw T.; Amini, Erfan; Ammar, Walid; Amoako, Yaw Ampem; Ansari, Hossein; Anto, Josep M.; Antonio, Carl Abelardo T.; Anwari, Palwasha; Arian, Nicholas; Arnlov, Johan; Artaman, Al; Aryal, Krishna Kumar; Kisa, Adnan; Knudsen, Ann Kristin; Vollset, Stein Emil; Norheim, Ole Frithjof; Tollånes, Mette Christophersen; Weiderpass, Elisabete; Johansson, Lars R.K.. Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016. The Lancet 2017 ;Volum 390.(10100) s. 1345-1422 UiB KREFTREG UiO UiT FHI Untitled

33.	Knudsen, Ann Kristin Skrindo; Tollånes, Mette Christophersen; Haaland, Øystein Ariansen; Kinge, Jonas Minet; Skirbekk, Vegard Fykse; Vollset, Stein Emil. Sykdomsbyrde i Norge 2015. Resultater fra Global Burden of Diseases, Injuries, and Risk Factors Study 2015 (GBD 2015). Oslo: Folkehelseinstituttet, Senter for sykdomsbyrde, Område for psykisk og fysisk helse 2017 (ISBN 978-82-8082-840-8) 44 s. FHI UiB UiO Untitled

34.	Vos, Theo; Abajobir, Amanuel Alemu; Abbafati, Cristiana; Abbas, Kaja M.; Abate, Kalkidan Hassen; Abd-Allah, Foad; Abdulle, Abdishakur M.; Abebo, Teshome Abuka; Abera, Semaw Ferede; Aboyans, Victor; Abu-Raddad, Laith J.; Ackerman, Ilana N.; Adamu, Abdu Abdullahi; Adetokunboh, Olatunji; Afarideh, Mohsen; Afshin, Ashkan; Agarwal, Sanjay Kumar; Aggarwal, Rakesh; Agrawal, Anurag; Agrawal, Sutapa; Kiadaliri, Aliasghar Ahmad; Ahmadieh, Hamid; Ahmed, Muktar Beshir; Aichour, Amani Nidhal; Aichour, Ibtihel; Aichour, Miloud Taki Eddine; Aiyar, Sneha; Akinyemi, Rufus Olusola; Akseer, Nadia; Al Lami, Faris Hasan; Alahdab, Fares; Al-Aly, Ziyad; Alam, Khurshid; Alam, Noore; Alam, Tahiya; Alasfoor, Deena; Alene, Kefyalew Addis; Ali, Raghib; Alizadeh-Navaei, Reza; Alkerwi, Ala'a; Alla, Francois; Allebeck, Peter; Allen, Christine; Al-Maskari, Fatma; Al-Raddadi, Rajaa; Alsharif, Ubai; Alsowaidi, Shirina; Altirkawi, Khalid A.; Amare, Azmeraw T.; Amini, Erfan; Aryal, Krishna Kumar; Htet, Aung Soe; Kisa, Adnan; Knudsen, Ann Kristin; Tollånes, Mette Christophersen; Skirbekk, Vegard Fykse; Steiner, Timothy J.; Stovner, Lars Jacob; Vollset, Stein Emil; Weiderpass, Elisabete; Hailu, Alemayehu; Murray, Christopher JL. Global, regional, and national incidence, prevalence, and years lived with disability for 328 diseases and injuries for 195 countries, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016. The Lancet 2017 ;Volum 390.(10100) s. 1211-1259 UiO UiB NTNU UiT KREFTREG STO FHI Untitled
2016
35.	Forthun, Ingeborg; Wilcox, Allen J.; Strandberg-Larsen, Katrine; Moster, Dag; Nohr, Ellen A.; Lie, Rolv T.; Surén, Pål; Tollånes, Mette Christophersen. Maternal prepregnancy BMI and risk of cerebral palsy in offspring. Pediatrics 2016 ;Volum 138.(4) s. - FHI UiB HAUKELAND Untitled

36.	Tollånes, Mette Christophersen; Strandberg-Larsen, Katrine; Eichelberger, Kacey Y.; Moster, Dag; Lie, Rolv T.; Brantsæter, Anne Lise; Meltzer, Helle Margrete; Stoltenberg, Camilla; Wilcox, Allen J.. Intake of caffeinated soft drinks before and during pregnancy, but not total caffeine intake, is associated with increased cerebral palsy risk in the norwegian mother and child cohort study. Journal of Nutrition 2016 ;Volum 146.(9) s. 1701-1706 FHI HAUKELAND UiB Untitled

37.	Tollånes, Mette Christophersen; Strandberg-Larsen, Katrine; Forthun, Ingeborg; Petersen, Tanja Gram; Moster, Dag; Nybo Andersen, Anne-Marie; Stoltenberg, Camilla; Olsen, Jørn; Wilcox, Allen J. Cohort profile: cerebral palsy in the Norwegian and Danish birth cohorts (MOBAND-CP). BMJ Open 2016 ;Volum 6.(9) s. - FHI HAUKELAND UiB Untitled

38.	Tollånes, Mette Christophersen; Wilcox, Allen J.; Stoltenberg, Camilla; Lie, Rolv T.; Moster, Dag. Neurodevelopmental disorders or early death in siblings of children with cerebral palsy. Pediatrics 2016 ;Volum 138.(2) UiB FHI HAUKELAND Untitled
2014
39.	Mykletun, Mira; Aarsand, Aasne Karine; Støle, Egil; Villanger, Jørild Haugen; Tollånes, Mette Christophersen; Baravelli, Carl Michael; Sandberg, Sverre. Porfyrisykdommer i Norge. Tidsskrift for Den norske legeforening 2014 ;Volum 134.(8) s. 831-835 HAUKELAND Untitled

40.	Tollånes, Mette Christophersen; Wilcox, Allen J.; Lie, Rolv T.; Moster, Dag. Familial risk of cerebral palsy: Population based cohort study. BMJ. British Medical Journal 2014 ;Volum 349. s. - UiB HAUKELAND FHI Untitled

41.	Trønnes, Håvard; Wilcox, Allen James; Markestad, Trond; Tollånes, Mette Christophersen; Lie, Rolv T.; Moster, Dag. Associations of maternal atopic diseases with adverse pregnancy outcomes: A national cohort study. Paediatric and Perinatal Epidemiology 2014 ;Volum 28.(6) s. 489-497 UiB FHI HAUKELAND Untitled
2012
42.	Tollånes, Mette Christophersen; Aarsand, Aasne Karine; Villanger, Jørild Haugen; Støle, Egil; Deybach, Jean-Charles; Marsden, Joanne; To-Figueras, Jordi; Sandberg, Sverre. Establishing a network of specialist Porphyria centres - effects on diagnostic activities and services. Orphanet Journal of Rare Diseases 2012 ;Volum 10.(7) s. - HAUKELAND UiB Untitled
2011
43.	Heggland, Ingrid; Irgens, Ågot; Tollånes, Mette Christophersen; Romundstad, Pål Richard; Syversen, Tore; Svendsen, Kristin V Hirsch; Melø, Inger; Hilt, Bjørn. Pregnancy outcomes among female dental personnel - a registry-based retrospective cohort study. Scandinavian Journal of Work, Environment and Health 2011 ;Volum 37.(6) s. 539-546 NTNU HAUKELAND STO UiB Untitled

44.	Tollånes, Mette Christophersen; Aarsand, Aasne Karine; Sandberg, Sverre. Excess risk of adverse pregnancy outcomes in women with porphyria: a population-based cohort study. The Journal of Inherited Metabolic Disease (JIMD) 2011 ;Volum 34.(1) s. 217-223 HAUKELAND Untitled
2008
45.	Daltveit, Anne Kjersti Nesje; Tollånes, Mette Christophersen; Pihlstrøm, Hege; Irgens, Lorentz M. Cesarean delivery and subsequent pregnancies. Obstetrics and Gynecology 2008 ;Volum 111.(6) s. 1327-1334 FHI UiB Untitled

46.	Tollånes, Mette Christophersen. Caesarean section; indications and consequences. Universitetet i Bergen 2008 UiB Untitled

47.	Tollånes, Mette Christophersen; Moster, Dag; Daltveit, Anne Kjersti Nesje; Irgens, Lorentz M. Cesarean section and risk of severe childhood asthma: A population-based cohort study. Journal of Pediatrics 2008 ;Volum 153.(1) s. 112-116 FHI UiB HAUKELAND Untitled

48.	Tollånes, Mette; Rasmussen, Svein Arvid; Irgens, Lorentz M. Caesarean section among relatives. International Journal of Epidemiology 2008 ;Volum 37.(6) s. 1341-1348 UiB FHI HAUKELAND Untitled
2007
49.	Tollånes, Mette Christophersen; Klungsøyr Melve, Kari; Irgens, Lorentz M; Skjærven, Rolv. Reduced fertility after cesarean delivery - A maternal choice. Obstetrics and Gynecology 2007 ;Volum 110.(6) s. 1256-1263 FHI UiB Untitled

50.	Tollånes, Mette Christophersen; Thompson, John M.D.; Daltveit, Anne Kjersti; Irgens, Lorentz. Cesarean section and maternal education; secular trends in Norway, 1967-2004. Acta Obstetricia et Gynecologica Scandinavica 2007 ;Volum 86.(7) s. 840-848 UiB FHI Untitled