TY - JOUR T1 - En fait, dif_cile à savoir JF - Canadian Family Physician JO - Can Fam Physician SP - 389 LP - 389 VL - 53 IS - 3 AU - J.L. Reynolds Y1 - 2007/03/01 UR - http://www.cfp.ca/content/53/3/389.abstract N2 - ER -