TY  - RPRT
TI  - Prosthetic heart valves.
AU  - David H Hsi
AU  - Gerald F Ryan
PY  - 2002
DO  - 10.3949/ccjm.69.6.448
UR  - https://pubmed.ncbi.nlm.nih.gov/12061457/
ID  - 12061457
ER  -