title: Recurrent abdominal pain in Nigerian children.
mesh_terms: D000005:Abdomen; D000006:Abdomen, Acute / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D009549:Nigeria; D010146:Pain / Q000209:etiology*; D012008:Recurrence