RT Journal Article SR Electronic T1 Exercise Echocardiography as a Screening Tool in Systemic Sclerosis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 643 OP 645 DO 10.3899/jrheum.191249 VO 47 IS 5 A1 MONICA MUKHERJEE A1 STEPHEN C. MATHAI YR 2020 UL http://www.jrheum.org/content/47/5/643.abstract AB