TY - JOUR T1 - Answer: Can you identify this condition? JF - Canadian Family Physician JO - Can Fam Physician SP - 686 LP - 686 VL - 57 IS - 6 AU - Brent M. McGrath Y1 - 2011/06/01 UR - http://www.cfp.ca/content/57/6/686.abstract N2 - ER -