RT Journal Article SR Electronic T1 Time out: NFL conflicts of interest with public health efforts to prevent TBI JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP injuryprev-2017-042404 DO 10.1136/injuryprev-2017-042404 A1 Kathleen E Bachynski A1 Daniel S Goldberg YR 2017 UL http://injuryprevention.bmj.com/content/early/2017/09/23/injuryprev-2017-042404.abstract AB