DDysarthria And ApraxiaDysarthria And Apraxiade William PerkinsEdiciones (1)Dysarthria And Apraxia (1983)Thieme Medical Pub · ISBN 9780865774049Más obras de William PerkinsSmash the pyramidThe Works of William Perkins, Volume 1William Perkins's Journal of Life at Sonora, 1849 - 1852