Standardization of the Bayley Motor Scale of infant development in Yucatan, Mexico.
D000367:Age Factors; D002657:Child Development; D003431:Cross-Cultural Comparison; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008800:Mexico; D009068:Movement; D011581:Psychological Tests / Q000592:standards*; D011594:Psychometrics; D011603:Psychophysiology; D012923:Social Class; D014481:United States