1. Endothelial progenitor cells in chronic obstructive pulmonary disease and emphysema Doyle, Margaret F.; Tracy, Russell P.; Parikh, Megha A.; Hoffman, Eric A.; Shimbo, Daichi; Austin, John H. M.; Smith, Benjamin M.; Hueper, Katja; Vogel-Claussen, Jens; Lima, Joao; Gomes, Antoinette; Watson, Karol; Kawut, Steven; Barr, R. Graham 2017 Articles Endothelial cellsStem cellsLungs--Diseases, ObstructiveEmphysema, PulmonaryMedicine