Abstract Number: 1278 • ACR/ARP Annual Meeting 2019
Inpatient Epidemiology of Dermatomyositis and Polymyositis in the United States
Background/Purpose: Dermatomyositis (DM) and polymyositis (PM), collectively known as idiopathic inflammatory myositis (IIM), are autoimmune disorders characterized by inflammation of skeletal muscle, especially in the…
