title: Estimation of the foetal age in pregnant rhesus monkeys (Macaca mulatta) by radiography.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D005333:Fetus / Q000000981:diagnostic imaging*; D005865:Gestational Age; D000882:Haplorhini / Q000502:physiology*; D008251:Macaca / Q000502:physiology; D008722:Methods; D011247:Pregnancy; D011859:Radiography