Diagnostic error and operative findings in "appendicitis".
D000006:Abdomen, Acute / Q000209:etiology*; D000293:Adolescent; D000328:Adult; D001064:Appendicitis / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged