title: The tip of the iceberg: the prevalence of functional gastrointestinal diseases in children.
authors.forename: Samuel
authors.initials: S
authors.lastname: Nurko
mesh_terms: D015746:Abdominal Pain / Q000453:epidemiology / Q000523:psychology; D015992:Body Mass Index; D002648:Child; D002675:Child, Preschool; D015897:Comorbidity; D005767:Gastrointestinal Diseases / Q000453:epidemiology* / Q000523:psychology; D006801:Humans; D009765:Obesity / Q000453:epidemiology; D015995:Prevalence; D012107:Research Design