Effect of lung volume reduction surgery on resting pulmonary hemodynamics in severe emphysema.
Criner GJ, Scharf SM, Falk JA, Gaughan JP, Sternberg AL, Patel NB, Fessler HE, Minai OA, Fishman AP, National Emphysema Treatment Trial Research Group. Am J Respir Crit Care Med. 2007 Aug 1; 176(3):253-60. Epub 2007 May 11.