Acorda Therapeutics announces initiation of AMPYRA® proof-of-concept study in patients with post-stroke deficits Acorda Therapeutics, 12 Jun 2012 Accessed on 12 Jun 2012 from http://ir.acorda.com/phoenix.zhtml?c=194451&p=irol-newsOtherArticle&ID=1704402&highlight=. CommentRecommendBookmarkWatch