1. Laparoscopic appendectomy in 625 cases: from innovation to routine;Pier;Surgical Laparoscopy and Endoscopy,1991
2. Laparoscopic appendectomy: three years' experience;Saye;Surgical Laparoscopy and Endoscopy,1991
3. Laparoscopic appendectomy in children: report of 465 cases;Valla;Surgical Laparoscopy and Endoscopy,1991
4. Laparoscopic versus open appendicectomy;McAnena;Lancet,1991
5. Diagnostic laparoscopy – reducing the number of normal appendectomies;Kum;Dis Colon Rectum,1993