6Plotz PH, Dalaks MC, Leff RL, et al. Current concepts in idiopathic inflammatory myophathies, PM, DM and related disonters[ J ]. Ann Intent Med, 1989, 111: 143.
7Dalakas MC. Polymyositis, dermatomyositis, and inclusion-body myositis[J]. Nengl J Med,1991,325:1487.
8Hirano T. The biology of interleukin-6[J]. Chem Immunol; 1992,51:153.
9Maugars YM,Berthelot JMM,Abbas AA,et al.Long-term prognosis of 69 patients with dermatomyositis or polymyositis[J] . Clin Exp Rheum, 1996,14:263.
10Strongwater SL. Myocardial involvement in polymyositis[J]. J Rheum, 1983, 10:459.