RT Journal Article SR Electronic T1 Unusual cancer in primary Sjögren syndrome JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 912 OP 915 VO 60 IS 10 A1 Wen-Sen Lai A1 Feng-Cheng Liu A1 Chih-Hung Wang A1 Hsin-Chien Chen YR 2014 UL http://www.cfp.ca/content/60/10/912.abstract AB