@misc{indiciae8dcca2fcc65b, title = {[HIGH GAIN ELECTROCARDIOGRAM].}, author = {Z OYA and K OSHITA and T OKADA and T SHIBATA and I TAKESHITA and Y HITAKA and H KAWAMURA}, year = {1964}, url = {https://pubmed.ncbi.nlm.nih.gov/14125389/}, note = {Source identifier: 14125389} }