http://emedicine.medscape.com/article/335925-overview polymyositis polymyositis Polymyositis Polymyositis – Medscape (free registration required) Polymyositis http://emedicine.medscape.com/article/335925-overview http://emedicine.medscape.com/article/335925-overview http://emedicine.medscape.com/article/335925-overview#a0156 Polymyositis polymyositis FROM MEDSCAPE REFERENCE