1. Apical Localization of Pulmonary Tuberculosis, Chronic Pulmonary Histoplasmosis, and Progressive Massive Fibrosis of the Lung 
Robert A Goodwin, M.D., Roger M. Des Prez, M.D. 
CHEST 
Volume 83, Issue 5, Pages (May 1983)
DOI: /chest
Copyright © 1983 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Regional perfusion, ventilation, and alveolar oxygen tension calculated for the nine lung slices depicted by West and Dollery.4
CHEST  , DOI: ( /chest )
Copyright © 1983 The American College of Chest Physicians Terms and Conditions