RT Journal Article SR Electronic T1 Dr Joseph Marek and Young Hearts for Life: over a quarter-million screening tests and counting! JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 173 OP 174 DO 10.1136/bjsports-2021-105187 VO 56 IS 3 A1 Brett G Toresdahl A1 Christina Masters A1 Jonathan A Drezner YR 2022 UL http://bjsm.bmj.com/content/56/3/173.abstract AB