The following links go to websites and PDFs of published reports about what has come of VA research with animals.
DiMarco AF, Geertman RT, Tabbaa K, Kowalski KE. Complete Restoration of Respiratory Muscle Function in Three Subjects with Spinal Cord Injury - Pilot Interventional Clinical Trial (788 KB, PDF)
Am J Phys Med Rehabil 2019;98:43-50. doi: 10.1097/PHM.0000000000001018
(This article is also available on the journal website by subscription access only.)