@misc{indiciae4bf122eef8d1, title = {Lead selection for ECG screening.}, author = {M Matveev and L Tomov and I Tomov and I Daskalov}, year = {1977}, doi = {10.1159/000399645}, url = {https://pubmed.ncbi.nlm.nih.gov/319628/}, note = {Source identifier: 319628} }