title: The value of karyopyknotic indices from urinary cytology in the determination of ovulation.
mesh_terms: D000328:Adult; D002467:Cell Nucleus; D002986:Clinical Trials as Topic; D004964:Estriol / Q000652:urine; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation; D008722:Methods; D008875:Middle Aged; D010060:Ovulation; D011276:Pregnanediol / Q000652:urine; D014521:Urethra / Q000166:cytology; D014556:Urine / Q000166:cytology*; D014626:Vaginal Smears
chemical_list: D004964:Estriol; D011276:Pregnanediol