title: BIOCHEMICAL AND HISTOLOGICAL OBSERVATIONS ON THE CORPORA LUTEA OF THE AFRICAN ELEPHANT, LOXODONTA AFRICANA.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002845:Chromatography; D003338:Corpus Luteum; D004606:Elephants; D004971:Estrus; D005260:Female; D006654:Histology, Comparative; D006801:Humans; D010828:Physiology, Comparative; D011247:Pregnancy; D011270:Pregnancy, Animal; D056662:Proboscidea Mammal; D011374:Progesterone; D012106:Research
chemical_list: D002247:Carbon Isotopes; D011374:Progesterone
keywords: CARBON ISOTOPES; CHROMATOGRAPHY; CORPUS LUTEUM; ELEPHANTS; ESTRUS; EXPERIMENTAL LAB STUDY; HISTOLOGY, COMPARATIVE; PHYSIOLOGY, COMPARATIVE; PREGNANCY; PREGNANCY, ANIMAL; PROGESTERONE