Mutch, W Alan C Longitudinal Brain Magnetic Resonance Imaging CO2 Stress Testing in Individual Adolescent Sports-Related Concussion Patients: A Pilot Study. [electronic resource] - Frontiers in neurology 2016 - 107 p. digital Publication Type: Journal Article ISSN: 1664-2295 Standard No.: 10.3389/fneur.2016.00107 doi