@misc{indiciaeadfde416cc83, title = {Implanted cardiac pacemakers: experience with electronic testing.}, author = {D Smith and R McDonald and G Sloman}, year = {1971}, doi = {10.1093/cvr/5.2.236}, url = {https://pubmed.ncbi.nlm.nih.gov/5579528/}, note = {Source identifier: 5579528} }