[Is the inclusion into the same group of lupus erythematosus, periarteritis nodosa, scleroderma, dermatomyositis and myositis justified by recent observations?].
D003882:Dermatomyositis; D008180:Lupus Erythematosus, Systemic; D009220:Myositis; D010488:Polyarteritis Nodosa; D012594:Scleroderma, Localized; D012595:Scleroderma, Systemic
DERMATOMYOSITIS; LUPUS ERYTHEMATOSUS; MYOSITIS; PERIARTERITIS NODOSA; SCLERODERMA