RT Journal Article SR Electronic T1 Soccer and head injuriesAbout concussion JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP e74 OP e77 DO 10.1212/WNL.0000000000003669 VO 88 IS 9 A1 Allen, Baxter A1 Karceski, Steven YR 2017 UL http://n.neurology.org/content/88/9/e74.abstract AB