Zuber, M Tanimoto's classification and diagnostic criteria for polymyositis and dermatomyositis do not recognize the variant of amyopathic dermatomyositis. [electronic resource] - The Journal of rheumatology Jan 1996 - 191 p. digital Publication Type: Comment; Letter ISSN: 0315-162X Subjects--Topical Terms: Dermatomyositis--classificationDiagnosis, DifferentialDisease ProgressionEpidemiologic MethodsFemaleHumansPolymyositis--classification