DermatomyositisLancet 355:53-57, Callen,J.P., 2000
Eosinophilic PolymyositisAnn Neurol 1:65, Layzer,R.B.,et al, 1977
Neurologic Manifestations of Periarteritis Nodosa (1972)Nebraska Med J 57:326, Aita,J.A., 1972