https://perfusion.com/robotic-assisted-endoscopic-atrial-septal-defect-closure-analysis-of-115-cases-in-a-single-center/
Robotic-Assisted Endoscopic Atrial Septal Defect Closure: Analysis of 115 Cases in a Single Center...
Sep 18, 2012 - % Robotic-Assisted Endoscopic Atrial Septal Defect Closure: Analysis of 115 Cases in a Single Center %
atrial septal defect closure