[Application of questionnaires in the health survey of infants and young children: its effectivity and limitation].
D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D005260:Female; D006306:Health Surveys; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D008297:Male; D011795:Surveys and Questionnaires