TY  - RPRT
TI  - Initial clinical experience with a rate responsive pacemaker.
AU  - I Singer
AU  - J Olash
AU  - A F Brennan
AU  - J Kupersmith
PY  - 1989
DO  - 10.1111/j.1540-8159.1989.tb06150.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2476774/
ID  - 2476774
ER  -