Ash SY, Harmouche R, Ross JC, Diaz AA, Rahaghi FN, Vegas Sanchez-Ferrero G, Putman RK, Hunninghake GM, Onieva Onieva J, Martinez FJ, Choi AM, Bowler RP, Lynch DA, Hatabu H, Bhatt SP, Dransfield MT, Wells JM, Rosas IO, San Jose Estepar R, Washko GR. Interstitial Features at Chest CT Enhance the Deleterious Effects of Emphysema in the COPDGene Cohort. Radiology. 2018 08; 288(2):600-609.