American journal of respiratory cell and molecular biology, Volume 70, Issue 2, 1 1 2024, Pages 149-152 Loss of Pulmonary Endothelial Cells in Emphysema Impairs Support of Human Alveolar Epithelial Cell Growth. Ravi A, Jia L, Wu X, van der Meer AD, Gosens R, Stolk J, van der Does AM, Koning F, Hiemstra PS, Khedoe PPJS