title: Copulatory behavior in relation to anatomical characteristics of three macaques.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D003307:Copulation; D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology*; D005837:Genitalia, Male / Q000033:anatomy & histology*; D000882:Haplorhini; D008251:Macaca; D008297:Male; D008854:Microscopy, Electron; D012726:Sexual Behavior, Animal; D013045:Species Specificity; D013997:Time Factors