African infant precocity.
D000349:Africa; D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003431:Cross-Cultural Comparison; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability; D007360:Intelligence; D007804:Language Development; D008124:Locomotion; D009048:Motor Skills; D011581:Psychological Tests; D012106:Research / Q000592:standards; D012923:Social Class