Letter by Lau and Tse Regarding Article, "Personalized Rate-Response Programming Improves Exercise Tolerance After 6 Months in People With Cardiac Implantable Electronic Devices and Heart Failure: A Phase II Study"

Lau, CP; Tse, HF

Lau, CP (corresponding author), Univ Hong Kong, Div Cardiol, Dept Med, Queen Mary Hosp, Hong Kong, Peoples R China.

CIRCULATION, 2020; 142 (19): E317