TI  - Normal limits of ECG measurements related to atrial activity using a modified limb lead system
AU  - Sivaraman, J.
AU  - Uma, G.
AU  - Venkatesan, S.
AU  - Umapathy, M.
AU  - Elumalai  Dhandapani, V.
SO  - The Anatolian Journal of Cardiology 2015;15:2-6.
DO  - 10.5152/akd.2014.5155