Singh, Anil MD; Carlin, Brian W. MD; Shade, Daniel MD; Kaplan, Peter D. MD
Division of Pulmonary and Critical Care Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania.
Corresponding Author: Anil Singh, MD, Division of Pulmonary and Critical Care Medicine, Allegheny General Hospital, 320 E North Ave, Pittsburgh, PA 15212.
doi: 10.1097/01.CNQ.0000343128.81576.dd