Appendicitis in the newborn infant.
D000367:Age Factors; D001062:Appendectomy; D001064:Appendicitis / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000601:surgery*; D008297:Male; D010538:Peritonitis / Q000209:etiology*; D013997:Time Factors