Progressive non-fluent aphasia is not a progressive form of non-fluent ( post-stroke ) aphasia

@inproceedings{Patterson2007ProgressiveNA,
  title={Progressive non-fluent aphasia is not a progressive form of non-fluent ( post-stroke ) aphasia},
  author={Karalyn Patterson and Naida Graham and Matthew A. Lambon Ralph and Robert W. St. John and Hodges},
  year={2007}
}
Aphasiology Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713393920 Progressive non-fluent aphasia is not a progressive form of non-fluent (post-stroke) aphasia Karalyn Patterson a; Naida L. Graham a; Matthew A. Lambon Ralph b; John R. Hodges a a MRC Cognition & Brain Sciences Unit, Cambridge, UK b University of Manchester, UK