@misc{indiciae8f3b0c81a4e6, title = {Optimal approach for mitral valve surgery.}, author = {V Sirvydis and D Kavoliũnas and G Uzdavinys and A Grebelis and G Nogienè and O Borisaitè and B Adomonytè}, year = {1994}, url = {https://pubmed.ncbi.nlm.nih.gov/7775555/}, note = {Source identifier: 7775555} }