title: Observations on the propagation of Chinese hamsters.
mesh_terms: D000818:Animals; D001947:Breeding; D006224:Cricetinae / Q000254:growth & development*; D004971:Estrus; D005260:Female; D007315:Insemination, Artificial; D007774:Lactation; D008297:Male; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology; D012744:Sex Ratio
chemical_list: D011374:Progesterone