Age determination of swine foetuses.
D000365:Age Determination by Skeleton; D000818:Animals; D001846:Bone Development; D001842:Bone and Bones / Q000000981:diagnostic imaging; D005314:Embryonic and Fetal Development; D005260:Female; D005333:Fetus / Q000000981:diagnostic imaging; D005865:Gestational Age; D008297:Male; D013552:Swine