title: Ultrastructure of cervical mucus.
mesh_terms: D002582:Cervix Mucus / Q000166:cytology*; D003102:Colloids; D003338:Corpus Luteum / Q000502:physiology; D004967:Estrogens / Q000502:physiology; D005260:Female; D006801:Humans; D008598:Menstruation; D008854:Microscopy, Electron; D010060:Ovulation; D011372:Progestins / Q000502:physiology
chemical_list: D003102:Colloids; D004967:Estrogens; D011372:Progestins