TY  - RPRT
TI  - Aortic valve sparing operations: basic concepts.
AU  - Christopher M Feindel
AU  - Tirone E David
PY  - 2004
DO  - 10.1016/j.ijcard.2004.08.010
UR  - https://pubmed.ncbi.nlm.nih.gov/15590080/
ID  - 15590080
ER  -