Mother-infant relations and infant development in captive chimpanzees and orang-utans.
D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D005260:Female; D015186:Hominidae; D008425:Maternal Behavior; D002679:Pan troglodytes; D011148:Pongo pygmaeus; D013045:Species Specificity