@misc{indiciae16f5cbc9f359, title = {Minimal access valve surgery through superior partial sternotomy: a preliminary study.}, author = {W Konertz and F Waldenberger and M Schmutzler and J Ritter and J Liu}, year = {1996}, url = {https://pubmed.ncbi.nlm.nih.gov/8953441/}, note = {Source identifier: 8953441} }