Karamooz Elham, Nguyen Nathan, Gold Jeffrey A
1 Department of Pulmonary and Critical Care, Oregon Health & Science University, Portland, Oregon; and.
2 Department of Pulmonology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California.
Ann Am Thorac Soc. 2017 Feb;14(2):283-287. doi: 10.1513/AnnalsATS.201606-460CC.