title: Effect of the oral-contraceptive steroids on the ultrastructure of human cervical mucus--a preliminary communication.
mesh_terms: D002582:Cervix Mucus / Q000187:drug effects*; D003127:Colposcopy; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003338:Corpus Luteum / Q000502:physiology; D005260:Female; D006801:Humans; D008598:Menstruation; D008854:Microscopy, Electron; D008982:Molybdenum; D013194:Staining and Labeling
chemical_list: D003276:Contraceptives, Oral; D008982:Molybdenum