TY  - RPRT
TI  - Mitral valve regurgitation--quantification by Doppler echo (quantitative versus semi-quantitative methods).
AU  - Jorge Almeida
AU  - Albino Santos
AU  - Tãnia Nolasco
UR  - https://pubmed.ncbi.nlm.nih.gov/14587158/
ID  - 14587158
ER  -