title: Observations on reproduction in the mongolian gerbil, Meriones unguiculatus.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D003075:Coitus; D004971:Estrus; D005260:Female; D005313:Fetal Death / Q000662:veterinary; D005849:Gerbillinae / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D008297:Male; D008423:Maternal Age; D009026:Mortality; D010298:Parity; D049590:Postpartum Period; D011247:Pregnancy; D012098:Reproduction; D012744:Sex Ratio; D013094:Spermatozoa; D013997:Time Factors; D014626:Vaginal Smears