Daily acute intermittent hypoxia to improve walking function in persons with subacute spinal cord injury: a randomized clinical trial study protocol oleh Avantika Naidu, Denise M. Peters, Andrew Q. Tan, Stella Barth, Andrea Crane, Angela Link, Swapna Balakrishnan, Heather B. Hayes, Chloe Slocum, Ross D. Zafonte, Randy D. Trumbower