title: What I have learned in the past 40 years.
authors: Vanderbilt University, Division of Allergy/Pulmonary/Critical Care, Vanderbilt University Medical Center, Vanderbilt University, 1161 21st Avenue South, Nashville, TN 37232, USA. Rlight98@yahoo.com
authors: Richard W
authors: RW
authors: Light
mesh_terms: D002322:Career Mobility; D005180:Faculty, Medical / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010995:Pleural Diseases / Q000266:history* / Q000628:therapy; D013714:Tennessee