TY - RPRT TI - Comparison of sinus node response to exercise with responses from two different activity-based rate adaptive pacemakers in healthy subjects of different age groups. AU - D H Roberts AU - S E Baxter AU - P T Brennan AU - M D Gammage PY - 1995 DO - 10.1111/j.1540-8159.1995.tb03836.x UR - https://pubmed.ncbi.nlm.nih.gov/8539156/ ID - 8539156 ER -