• Phua DSK, Leong WM, Yoong CS .The Acute Pain Service After 10 Years: Changing Trends, Outcomes And Complications. Singapore Med J 2008 49;12:1007
• Leong WM, Ong EL .Propofol auto coinduction can aid laryngeal mask insertion
European journal of anesthesiology. 2005; (22) Suppl S34: 14
• Leong WM, Ong EL. Largngeal mask airway can be inserted under desflurane inhalational induction.
J Anesth. 2005;19(2):112-7
• Leong WM, Lo WK. Analgesic efficacy of continuous delivery of bupivacaine by an elastomeric balloon infusor after abdominal hysterectomy : a prospective, randomized controlled trial. Aust N Z J Obstet Gynaecol. 2002 Nov;42(5):515-8.
• Leong WM, Ong EL. Anaphylaxis and fictitious desatuation following Isosulfan Blue injection. ASEAN journal of anesthesiology 2001 Sept; (2)2: 129-132
• Leong WM, Lo WK. Epidural analgesia for labour in KKH- one year review of 1480 patients. 11th European of congress of anesthesiology (CENSA) . Vol 67 suppl 1 N 5 Maggio 2001. : 282