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International Journal of Epidemiology|April 1, 1993
Risk indicators for inflammatory bowel diseaseP G Persson, C E Leijonmarck, O Bernell, et al.Gastroenterology|May 1, 1996
Survival and cause-specific mortality in inflammatory bowel disease: a population-based cohort studyP G Persson, O Bernell, C E Leijonmarck, et al.American Journal of Epidemiology|December 1, 1986
Diet and pancreatic cancer: a case-control studyS E Norell, A Ahlbom, R Erwald, et al.American Journal of Ophthalmology|November 1, 1981
Monitoring compliance with pilocarpine therapyS E NorellGastroenterology|December 1, 1994
Crohn's disease and cancer: a population-based cohort studyP G Persson, P Karlén, O Bernell, et al.Acta Medica Scandinavica. Supplementum|January 1, 1984
Methods in assessing drug complianceS E NorellBritish Medical Journal|October 27, 1979
Improving medication compliance: a randomised clinical trialS E NorellScandinavian Journal of Social Medicine|January 1, 1989
Mortality and social class in Sweden--exploring a new epidemiological toolD Vågerö, S E NorellInternational Journal of Epidemiology|September 1, 1991
Retrospective versus original information on diet among cases of colorectal cancer and controlsN Hammar, S E NorellPageof 18