TY  - RPRT
TI  - Return to play after concussion: principles and practice.
AU  - James Kissick
AU  - Karen M Johnston
PY  - 2005
DO  - 10.1097/01.jsm.0000186683.59158.8b
UR  - https://pubmed.ncbi.nlm.nih.gov/16278546/
ID  - 16278546
ER  -