TY - JOUR T1 - Prognostic signs JF - Canadian Family Physician JO - Can Fam Physician SP - 682 LP - 682 VL - 66 IS - 9 AU - Gerri Frager Y1 - 2020/09/01 UR - http://www.cfp.ca/content/66/9/682.abstract N2 - ER -