title: Influence of photoperiod and partial contact on estrus in the desert pocket mouse, Perognathus penicillatus.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D004971:Estrus; D005260:Female; D008027:Light; D008297:Male; D051379:Mice / Q000502:physiology*; D011247:Pregnancy; D012726:Sexual Behavior, Animal