TY - JOUR T1 - An ounce of prevention JF - Canadian Family Physician JO - Can Fam Physician SP - 597 LP - 599 VL - 53 IS - 4 AU - Stephen J. Genuis Y1 - 2007/04/01 UR - http://www.cfp.ca/content/53/4/597.abstract N2 - ER -