. . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u n'avientu de 1999"@ast . "im Dezember 1999 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . . . . . . . . . . . . . . . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@en . . . . . . . . . . . . "A Meyers" . . . . . . . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@nl . "scientific article published on 01 December 1999"@en . . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@nl . . "6" . "10.1016/S0010-7824(99)00109-2" . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@en . "1999-12-01T00:00:00Z"^^ . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@en . "60" . . . "V Roy" . . "wetenschappelijk artikel"@nl . . . . . "321-329" . . . . . . . "article scientifique publi\u00E9 en 1999"@fr . . . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@nl . "\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 \u0433\u0440\u0443\u0434\u043D\u0456 1999"@uk . . . "M J Rosenberg" . "Efficacy, cycle control, and side effects of low- and lower-dose oral contraceptives: a randomized trial of 20 micrograms and 35 micrograms estrogen preparations"@en . "10715366" .