RT Journal Article SR Electronic T1 Lignes directrices canadiennes sur la rhinosinusite chronique JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP e528 OP e534 VO 59 IS 12 A1 Alan Kaplan YR 2013 UL http://www.cfp.ca/content/59/12/e528.abstract AB