RT Journal Article SR Electronic T1 An Unusual Cause of Dysphagia JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 184 OP 184 DO 10.3899/jrheum.110917 VO 39 IS 1 A1 CARLO PALAZZI A1 SALVATORE D’ANGELO A1 IGNAZIO OLIVIERI YR 2012 UL http://www.jrheum.org/content/39/1/184.abstract AB