RT Book, Section A1 Dalakas, Marinos C. A2 Hauser, Stephen L. A2 Josephson, S. Andrew SR Print(0) ID 1147191508 T1 POLYMYOSITIS, DERMATOMYOSITIS, AND INCLUSION BODY MYOSITIS T2 Harrison's Neurology in Clinical Medicine, 4e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259835865 LK neurology.mhmedical.com/content.aspx?aid=1147191508 RD 2024/03/28 AB The inflammatory myopathies represent the largest group of acquired and potentially treatable causes of skeletal muscle weakness. They are classified into three major groups: polymyositis (PM), dermatomyositis (DM), and inclusion body myositis (IBM).