@article{Nguyen2018, author = "Tom C. Nguyen and Juan B. Umana", title = "{Minimally Invasive Aortic Valve Replacement by Thoracotomy: Step-by-Step Guide}", year = "2018", month = "1", url = "https://ctsnet.figshare.com/articles/media/Minimally_Invasive_Aortic_Valve_Replacement_by_Thoracotomy_Step-by-Step_Guide/5811132", doi = "10.25373/ctsnet.5811132.v1" }