Graham, C E Urinary levels of estrogens and pregnanediol and plasma levels of progesterone during the menstrual cycle of the chimpanzee; relationship to the sexual swelling. [electronic resource] - Endocrinology Jul 1972 - 13-24 p. digital Publication Type: Journal Article ISSN: 0013-7227 Standard No.: 10.1210/endo-91-1-13 doi Subjects--Topical Terms: AnimalsChlormadinone Acetate--administration & dosageChromatography, GasChromatography, Thin LayerEstradiol--urineEstriol--urineEstrone--urineEstrusFemaleMestranol--administration & dosageOvary--physiologyPan troglodytesPregnancyPregnanediol--urineProgesterone--bloodVagina--drug effects