title: The elusive diagnosis of appendicitis.
authors.forename: A J
authors.initials: AJ
authors.lastname: Ryan
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000175:diagnosis* / Q000601:surgery*; D001065:Appendix / Q000601:surgery*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011247:Pregnancy; D012008:Recurrence