The Copenhagen National Lung Transplant Group: Survival after Single Lung, Double Lung, and Heart-Lung Transplantation - Burton, Christopher M.; Milman, Nils; Carlsen, Jørn; Arendrup, Henrik; Eliasen, Kirsten; Andersen, Claus B.; Iversen, Martin (Journal of Heart & Lung Transplantation, 2005)