TY - GEN AU - Nayyar,Sachin AU - Massé,Stéphane AU - Nanthakumar,Kumaraswamy TI - To the Editor- Determinants of bipolar amplitude SN - 1556-3871 PY - 2021///0326 N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/j.hrthm.2020.02.034 ER -