The nurse and the early identification of young children at risk.
D002649:Child Abuse / Q000517:prevention & control*; D002675:Child, Preschool; D006801:Humans; D007878:Legislation as Topic; D008403:Mass Screening / Q000379:methods; D008404:Massachusetts; D009730:Nursing Assessment; D009732:Nursing Care; D012306:Risk; D012573:School Nursing; D014481:United States