1. A practical score for the early diagnosis of acute appendicitis;Alvarado;Ann Emerg Med,1986
2. Diagnostic scores for acute appendicitis. Abdominal Pain Study Group;Ohmann;Eur J Surg,1995
3. Scoring and diagnostic laparoscopy for suspected appendicitis;van den Broek;Eur J Surg,2002
4. Diagnostic decision support in suspected acute appendicitis: validation of a simplified scoring system;Fenyo;Eur J Surg,1997
5. A simple scoring system to reduce the negative appendicectomy rate;Christian;Ann R Coll Surg Engl,1992