1[1] Euwer RL, Sontheimer R. Amyophathic dermatomyositis (dermatimyositis sine myositis)[J]. JAAD,1991,24(6):959～966.
2[2] Krain LS. Dermatomyositis in six patients without initial muscle involvement [J]. Arch Dermatol, 1975,111(2):241～ 245.
3[3] Euwer RL, Southeimer R. Amyopthathic dermatomyositis: a review[J]. J Invest Dermatol, 1993,100(1):124S～ 127S.
4[4] Park JH, Olsen NJ, King LL, et al. Use of magnetic vesonance imaging and P 31 magnetic resonance spectroscopy to detect and quantity muscle dysfunction in the amyophathis and myophathic variants of dermatomyositis[J]. Arthritis Rheum,
