PT - JOURNAL ARTICLE AU - Porter, Anna K AU - Schwartz, Michael TI - Ride report: mobile app user guide AID - 10.1136/bjsports-2017-098364 DP - 2018 Sep 01 TA - British Journal of Sports Medicine PG - e4--e4 VI - 52 IP - 18 4099 - http://bjsm.bmj.com/content/52/18/e4.short 4100 - http://bjsm.bmj.com/content/52/18/e4.full SO - Br J Sports Med2018 Sep 01; 52