Growth and development of Central American children. II. The effect of oral administration of vitamin B12 to rural children of preschool and school age.
D000284:Administration, Oral; D002648:Child; D006128:Growth; D006801:Humans; D007223:Infant; D012424:Rural Population; D012574:Schools; D014481:United States; D014805:Vitamin B 12 / Q000494:pharmacology*
D014805:Vitamin B 12
GROWTH/in infant and child; VITAMIN B12/effects