title: Photoperiod and testicular function in Phodopus sungorus.
authors.forename: M
authors.initials: M
authors.lastname: Bergmann
mesh_terms: D000818:Animals; D006224:Cricetinae / Q000502:physiology*; D007985:Leydig Cells / Q000166:cytology / Q000502:physiology; D008027:Light; D008297:Male; D010507:Periodicity; D012621:Seasons; D012708:Sertoli Cells / Q000166:cytology / Q000502:physiology; D013737:Testis / Q000033:anatomy & histology / Q000502:physiology*