TY - JOUR T1 - Up-to-date information omitted. JF - Canadian Family Physician JO - Can Fam Physician SP - 1435 LP - 1435 VL - 48 IS - 9 AU - Z Marciniak Y1 - 2002/09/01 UR - http://www.cfp.ca/content/48/9/1435.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -