Title: Early Surgery in Patients with Infective Endocarditis: A Propensity Score Analysis
Authors: Olcay Aksoy, Daniel J. Sexton, Andrew Wang, Paul A. Pappas, Wissam Kourany, Vivian Chu, Vance G. Fowler Jr., Christopher W. Woods, John J. Engemann, G. Ralph Corey, Tina Harding, Christopher H. Cabell
Year: 2007
PSM algorithm: caliper