PT - JOURNAL ARTICLE AU - Volker Scheer AU - Daniel Rojas-Valverde TI - Long-term health issues in ultraendurance runners: should we be concerned? AID - 10.1136/bmjsem-2021-001131 DP - 2021 Jul 01 TA - BMJ Open Sport & Exercise Medicine PG - e001131 VI - 7 IP - 3 4099 - http://bmjopensem.bmj.com/content/7/3/e001131.short 4100 - http://bmjopensem.bmj.com/content/7/3/e001131.full SO - BMJ OPEN SP EX MED2021 Jul 01; 7