PT  - JOURNAL ARTICLE
AU  - Routledge, H C
AU  - Townend, J N
TI  - Why does the heart rate response to exercise predict adverse cardiac events?
AID  - 10.1136/hrt.2005.079400
DP  - 2006 May 01
TA  - Heart
PG  - 577--578
VI  - 92
IP  - 5
4099  - http://heart.bmj.com/content/92/5/577.short
4100  - http://heart.bmj.com/content/92/5/577.full
SO  - Heart2006 May 01; 92
AB  - The physiological mechanisms responsible for determining heart rate during exercise are complex, and further research into “chronotropic incompetence” is clearly required