TY  - JOUR
TI  - A new approach to the measurement of heart rate in patients with chronic heart failure-Heart rate performance index:  an observational study
AU  - Akyüz, A.
AU  - Alpsoy, Ş.
AU  - Çayan  Akkoyun, D.
AU  - Güler, N.
JO  - The Anatolian Journal of Cardiology
PY  - 2013
VL  - 13
SP  - 215
EP  - 220
DO  - 10.5152/akd.2013.066
ER  -