TY  - JOUR
TI  - Normal limits of ECG measurements related to atrial activity using a modified limb lead system
AU  - W.  Macfarlane, P.
JO  - The Anatolian Journal of Cardiology
PY  - 2015
VL  - 15
SP  - 7
EP  - 7
DO  - 10.5152/akd.2014.14170
ER  -