Polymyositis & DermatomyositisNEJM 292:344, 1975, 292:403975., Bohan,A.,et al, 1975
The Facioscapulohumeral Synd, in Clinical Studies in Myology, Amsterdam, Excerpta Medicap498-501, VanWijngaarden,G.K.&Bethlem,J., 1973