RT Journal Article SR Electronic T1 Earliest Marker of Brain Injury in Repetitive Sports-Related Concussion JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 567 OP 569 DO 10.1212/WNL.0000000000012589 VO 97 IS 12 A1 Bigler, Erin D. A1 Allder, Steven YR 2021 UL http://n.neurology.org/content/97/12/567.abstract AB