4Anon. Preliminary criteria for the classification of systemic sclerosis (scleroderma). Subcommittee for scleroderma criteria of the American Rheumatism Association Diagnostic and Therapeutic Criteria Committee[J]. Arthritis Rheum, 1980, 23(5): 581-590.
5Weiss S, Eugene A, Jamgs Y. et al. Scleroderma heart diseasewith a consideration of certain other visceral manifestations of scleroderma[J]. Arch lnt Med, 1943, 71(6): 749-776.
6Alexander EL, Firestein GS, g eiss JL, et al. Reversible cold-induced abnormalities in myocardial perfusion and function in sysremit sclerosis[J]. Ann Intern Med. 1986, 105(5): 661-668.
7Keskin G, Kulah E, Turgay M, et al. Pericardial tamponade and systemic sclerosis[J]. Clin Exp Rheumatol, 1996, 14(6): 701-702.
