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1by Bernersen, B., Johnsen, R., Straume &, B., Burhol, P. G.Get access
Published in Scandinavian Journal of Gastroenterology (1992)
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6by Kildebo, S., Breckan, R., Nordgaard, K., Burhol, P. G., Jorde, R.Get access
Published in Scandinavian Journal of Gastroenterology (1989)
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7by Johnsen, R, Straume, B, Forde, O H, Burhol, P GGet access
Published in Journal of Epidemiology & Community Health (1992)
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8by HOLST, N., ØIAN, P., AUNE, B., JENSSEN, T. G., BURHOL, P. G.Get access
Published in BJOG: An International Journal of Obstetrics & Gynaecology (1991)
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9by Osstensen, H., Gudmundsen, T. E., Bolz, K. D., Burhol, P. G., Bonnevie, O.Get access
Published in Scandinavian Journal of Gastroenterology (1985)
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10by Kildebo, S., Nordgaard, K., Aronsen, O., Breckan, R., Burhol, P. G., Jorde, R.Get access
Published in Scandinavian Journal of Gastroenterology (1990)
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14by Bernersen, B., Johnsen, R., Bostad, L., Straume, B., Sommer, A. I., Burhol, P. G.Get access
Published in BMJ (1992)
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