@article{Gwan-Nulla2019, author = "Daniel Gwan-Nulla", title = "{Subxiphoid Pericardial Window: Steps and Helpful Tips}", year = "2019", month = "2", url = "https://ctsnet.figshare.com/articles/media/Subxiphoid_Pericardial_Window_Steps_and_Helpful_Tips/7663130", doi = "10.25373/ctsnet.7663130.v1" }