title: Prevalence of behaviour problems in 3-year-old children: an epidemiological study in a London borough.
mesh_terms: D002653:Child Behavior Disorders / Q000175:diagnosis / Q000453:epidemiology*; D002675:Child, Preschool; D003071:Cognition; D004688:Encopresis / Q000453:epidemiology; D004775:Enuresis / Q000453:epidemiology; D005239:Fear; D005260:Female; D006801:Humans; D006948:Hyperkinesis / Q000453:epidemiology; D007406:Interview, Psychological; D008131:London; D008297:Male; D011581:Psychological Tests; D011930:Reaction Time; D012494:Sampling Studies; D012737:Sex Factors; D012923:Social Class