title: Blood tests and oral contraception.
authors: B
authors: B
authors: Dujardin
authors: P
authors: P
authors: Buekens
authors: M
authors: M
authors: Vekemans
authors: E
authors: E
authors: Wollast
mesh_terms: D000349:Africa; D003276:Contraceptives, Oral; D005260:Female; D006403:Hematologic Tests; D006801:Humans
chemical_list: D003276:Contraceptives, Oral