The effects of prednisone on proteinuria : methodological studies and therapeutic aspects in patients with membranous glomerulonephritis / Jacobus Franciscus Maria WetzelsDuchenne muscular dystrophy : quantification of muscular parameters and prednisone therapy / Ernesto Alexander Christiaan BeenakkerDuchenne muscular dystrophy : quantification of muscular parameters and prednisone therapy / Ernesto Alexander Christiaan Beenakker