title: The difficult child.
authors.forename: W B
authors.initials: WB
authors.lastname: Carey
mesh_terms: D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology*; D002667:Child Reactive Disorders / Q000523:psychology; D006801:Humans; D010551:Personality; D010553:Personality Development; D012307:Risk Factors; D013694:Temperament