title: Annual changes in serum testosterone in laboratory housed male stumptail macaques (M. arctoides).
mesh_terms: D000818:Animals; D003307:Copulation; D000882:Haplorhini; D008251:Macaca; D008297:Male; D010507:Periodicity; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone