@misc{indiciae5d055e011a41, title = {A practical heart rate and ectopic beat detector.}, author = {P Kezdi and W S Naylor and R Rambousek and E Stanley}, year = {1968}, doi = {10.1016/s0022-0736(68)80030-5}, url = {https://pubmed.ncbi.nlm.nih.gov/4179060/}, note = {Source identifier: 4179060} }