TY  - RPRT
TI  - Electrocardiographic changes during operations for mitral stenosis.
AU  - M CAMPBELL
AU  - G REYNOLDS
PY  - 1952
DO  - 10.1159/000165243
UR  - https://pubmed.ncbi.nlm.nih.gov/13019819/
ID  - 13019819
ER  -