Sildenafil extends survival and graft function in a large animal lung transplantation model
Stephan Korom, Sven Hillinger, Markus Cardell, Wei Zhai, Qiang Tan, Andr� Dutly, Boris Leskosek, and Walter Weder
Eur. J. Cardiothorac. Surg. Mar 2006; 29:288-293