title: Four factors predict persistent abdominal pain in children, study finds.
authors.affiliation: London.
authors.forename: Susan
authors.initials: S
authors.lastname: Mayor
mesh_terms: D015746:Abdominal Pain / Q000453:epidemiology*; D005260:Female; D006304:Health Status; D006801:Humans; D008297:Male; D011320:Primary Health Care; D018582:Sick Leave / Q000706:statistics & numerical data*