TY - RPRT TI - A prospective randomized comparison between fixed rate response programming and automatic rate response optimization in activity-triggered DDDR pacemakers. Thera Pacemaker Study Group. AU - A Schuchert AU - H van Langen AU - K Michels AU - T Meinertz PY - 1998 DO - 10.1159/000006739 UR - https://pubmed.ncbi.nlm.nih.gov/9452153/ ID - 9452153 ER -