title: Sexual behavior of male pigtail macaques in the laboratory.
mesh_terms: D000818:Animals; D003307:Copulation; D004542:Ejaculation; D005260:Female; D000882:Haplorhini; D008251:Macaca; D008297:Male; D012737:Sex Factors; D012726:Sexual Behavior, Animal; D013045:Species Specificity