Pretesting the PTA questionnaire on child health supervision.
D000056:Accident Prevention; D001519:Behavior; D002675:Child, Preschool; D006266:Health Education; D006281:Health Occupations; D006306:Health Surveys; D006801:Humans; D007223:Infant; D008824:Michigan; D009747:Nutritional Physiological Phenomena; D012572:School Health Services