Nail fold capillaroscopy--a useful aid in the diagnosis of collagen vascular diseases.
D002114:Calcinosis / Q000175:diagnosis; D002196:Capillaries; D003882:Dermatomyositis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005385:Fingers / Q000098:blood supply*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D008853:Microscopy; D011928:Raynaud Disease / Q000175:diagnosis; D012595:Scleroderma, Systemic / Q000175:diagnosis*