TY - JOUR T1 - Users’ guide to the surgical literature: how to use an article on economic analysis JF - Canadian Journal of Surgery JO - CAN J SURG SP - 347 LP - 354 VL - 44 IS - 5 AU - Achilleas Thoma AU - Sheila Sprague AU - Ved Tandan A2 - , Y1 - 2001/10/01 UR - http://canjsurg.ca/content/44/5/347.abstract ER -