PT - JOURNAL ARTICLE AU - David Nanchen TI - Resting heart rate: what is normal? AID - 10.1136/heartjnl-2017-312731 DP - 2018 Jul 01 TA - Heart PG - 1048--1049 VI - 104 IP - 13 4099 - http://heart.bmj.com/content/104/13/1048.short 4100 - http://heart.bmj.com/content/104/13/1048.full SO - Heart2018 Jul 01; 104