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Infant motor development was studied in three socio-cultural groups inYucatan, Mexico, using the Denver Developmental Screening Test f9DDSTF0 AND THEBayley Infant Motor Scale. Eight infants f9four boys and four girlsf0 at each monthof age from two weeks to one year and two weeks were examined in each group, a total of 288infants f996 in each groupf0. There(More)
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