title: Changes in plasma testosterone levels during the annual reproductive cycle of the hibernating bat, Myotis lucifugus lucifugus with a survey of plasma testosterone levels in adult male vertebrates.
mesh_terms: D000818:Animals; D002685:Chiroptera / Q000097:blood*; D006605:Hibernation; D008297:Male; D011863:Radioimmunoassay; D013091:Spermatogenesis; D013739:Testosterone / Q000097:blood* / Q000276:immunology; D013997:Time Factors
chemical_list: D013739:Testosterone