. "scientific article published on 01 March 1989"@en . "105-107" . . . . . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@en . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@nl . "1" . "18" . "1989-03-01T00:00:00Z"^^ . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@en . "10.1093/IJE/18.1.105" . . "im M\u00E4rz 1989 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@en . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@en . . . . . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en marzu de 1989"@ast . . "R F Logan" . "2722351" . "wetenschappelijk artikel"@nl . . "C R Kay" . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0431\u0435\u0440\u0435\u0437\u043D\u0456 1989"@uk . . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@nl . "Oral contraception, smoking and inflammatory bowel disease--findings in the Royal College of General Practitioners Oral Contraception Study"@nl . . . .