title: Timing of spermatogenesis in four nonhuman primate species.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001706:Biopsy; D002452:Cell Count; D000882:Haplorhini / Q000502:physiology*; D007700:Kinetics; D008251:Macaca / Q000502:physiology; D008297:Male; D010215:Papio / Q000502:physiology; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis / Q000166:cytology; D013936:Thymidine; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine