Influences of sexual and social stimuli upon circulating levels of testosterone in male pigtail macaques.
D000818:Animals; D005260:Female; D000882:Haplorhini; D008251:Macaca; D008297:Male; D012621:Seasons; D012723:Sex; D012924:Social Conditions; D013739:Testosterone / Q000097:blood*
D013739:Testosterone