title: Photoperiodic influences on testicular regression, recrudescence and the induction of scotorefractoriness in male golden hamsters.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D006224:Cricetinae / Q000502:physiology*; D008027:Light; D008297:Male; D008647:Mesocricetus / Q000502:physiology*; D013737:Testis / Q000502:physiology*; D013997:Time Factors