title: The significance of life events as etiologic factors in the diseases of children. II. A study of a normal population.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004194:Disease / Q000209:etiology; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D012067:Religion; D012737:Sex Factors; D012917:Social Adjustment; D012923:Social Class; D012959:Socioeconomic Factors; D013223:Statistics as Topic