@misc{indiciae3fa59afb52fa, title = {Rhythm monitoring using a microcomputer system.}, author = {E Wallen and M Hess and L Johnson and W Stone}, year = {1979}, doi = {10.1016/0031-9384(79)90067-2}, url = {https://pubmed.ncbi.nlm.nih.gov/504455/}, note = {Source identifier: 504455} }