Classification of myositis The idiopathic inflammatory myopathies are a group of disorders that… nature.com New EULAR/ACR Classification Criteria for Adult and Juvenile Myositis rheumnow.com onlinelibrary.wiley.com New Myositis Classification Criteria—What We Have Learned Since Bohan and Peter Purpose of Review Idiopathic inflammatory myopathy (IIM) classification criteria have been a… link.springer.com 2017 European League Against Rheumatism/American College of Rheumatology Classification Criteria for Adult and Juvenile Idiopathic Inflammatory Myopathies and Their Major Subgroups