title: The reproductive cycle in the male polecat Putorius putorius in Britain.
mesh_terms: D000818:Animals; D002335:Carnivora / Q000502:physiology*; D005289:Ferrets / Q000502:physiology*; D008297:Male; D012098:Reproduction; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology / Q000166:cytology