TY  - RPRT
TI  - [Loading electrocardiograms in heart valvular diseases].
AU  - H Toshima
AU  - K Abe
AU  - K Soejima
AU  - K Takayama
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/5100532/
ID  - 5100532
ER  -