Attaran, Saina, Matthew Shaw, Laura Bond, Mark D. Pullan, and Brian M. Fabri. 2011. “Do Patients in Congestive Cardiac Failure Undergoing Cardiac Surgery Demonstrate Worse Outcomes Compared With Those With a History of Cardiac Failure?”. The Heart Surgery Forum 14 (3):E178-E182. https://doi.org/10.1532/HSF98.20101137.