DEVELOPMENT OF THE WAKING STATE IN YOUNG INFANTS.
D006128:Growth; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009048:Motor Skills; D010988:Play and Playthings; D012890:Sleep; D014705:Verbal Behavior
GROWTH; INFANT; INFANT, NEWBORN; MOTOR SKILLS; PLAY; SLEEP; VERBAL BEHAVIOR