The disease activity and serum ferritin in patients with clinically amyopathic dermatomyositis of rapidly-progressive interstitial lung disease: a report of two cases and literature review

WANG Jie-rui, CUI Liu-fu, SHU Rong, SONG Hai-cheng, WANG qiang-qing

Tianjin Medical Journal . 2018, (10): 1083 -1086 . DOI: 10.11958/20180826