title: Acute appendicitis and social class.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D001064:Appendicitis / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012923:Social Class; D014852:Wales