TY  - RPRT
TI  - Application of minnesota ECG classification code system amplified by some quantitative code signs, in diagnostics of acquired vitium cordis and early phase of ischemic heart disease.
AU  - S A Ivanova
PY  - 1977
DO  - 10.1159/000399680
UR  - https://pubmed.ncbi.nlm.nih.gov/835423/
ID  - 835423
ER  -