TY  - RPRT
TI  - Optimizing valve exposure with minimally invasive operations.
AU  - E Castedo
AU  - C G Montero
AU  - J Ugarte
PY  - 1999
DO  - 10.1016/s0003-4975(98)01319-8
UR  - https://pubmed.ncbi.nlm.nih.gov/10197722/
ID  - 10197722
ER  -