title: Viral and bacterial associations of acute abdominal pain in children.
mesh_terms: D000005:Abdomen; D000208:Acute Disease; D000293:Adolescent; D001064:Appendicitis / Q000175:diagnosis; D001424:Bacterial Infections / Q000150:complications*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000175:diagnosis / Q000209:etiology*; D014777:Virus Diseases / Q000150:complications*