TY  - RPRT
TI  - Echocardiogram in mitral stenosis.
AU  - J H Horgan
PY  - 1978
DO  - 10.1016/0002-9149(78)90035-8
UR  - https://pubmed.ncbi.nlm.nih.gov/626143/
ID  - 626143
ER  -