Journal of Rheumatic Diseases

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Fig. 3. Electron microscopy of the muscle. Myofibers show size variation with mild atrophic change. Lay-down of collagen are present within the endomysium (Uranyl acetate and lead citrate, ×6,000).
J Rheum Dis 2021;28:101~106 https://doi.org/10.4078/jrd.2021.28.2.101
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