RT Journal Article SR Electronic T1 Severe Raynaud's phenomenon and Sjögren's syndrome with ferocious gangrene change and auto-amputation JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 85 OP 85 DO 10.7861/clinmedicine.19-1-85 VO 19 IS 1 A1 Pin-Hsiang Huang A1 Hsien-Tzung Liao A1 Chang-Youh Tsai YR 2019 UL http://www.rcpjournals.org/content/19/1/85.abstract