TY  - RPRT
TI  - Initial experience with a physiological, rate responsive pacemaker.
AU  - R M Donaldson
AU  - K Fox
AU  - A F Rickards
PY  - 1983
DO  - 10.1136/bmj.286.6366.667
UR  - https://pubmed.ncbi.nlm.nih.gov/6402196/
ID  - 6402196
ER  -