Respiratory Disease in Tungsten Carbide Production Workers Nancy L. Sprince, M.D., M.P.H., Richard I. Chamberlin, B.S., Charles A. Hales, M.D., Alfred L. Weber, M.D., Homayoun Kazemi, M.D. CHEST Volume 86, Issue 4, Pages 549-557 (October 1984) DOI: 10.1378/chest.86.4.549 Copyright © 1984 The American College of Chest Physicians Terms and Conditions
Figure 1 Chest roentgenogram from subject A6 showing diffuse interstitial infiltrates. CHEST 1984 86, 549-557DOI: (10.1378/chest.86.4.549) Copyright © 1984 The American College of Chest Physicians Terms and Conditions
Figure 2 Chest roentgenogram from subject A8 showing diffuse interstitial infiltrates, especially marked in the perihilar regions. CHEST 1984 86, 549-557DOI: (10.1378/chest.86.4.549) Copyright © 1984 The American College of Chest Physicians Terms and Conditions
Figure 3 Chest roentgenogram from subject A9 showing diffuse interstitial infiltrates and prominence of the hilar areas. Progression of disease was noted on comparing this film with chest x-ray films from four years previously. CHEST 1984 86, 549-557DOI: (10.1378/chest.86.4.549) Copyright © 1984 The American College of Chest Physicians Terms and Conditions
Figure 4 Lung biopsy specimen from left lower lobe from subject A9 showing interstitial fibrosis (original magnification × 100). CHEST 1984 86, 549-557DOI: (10.1378/chest.86.4.549) Copyright © 1984 The American College of Chest Physicians Terms and Conditions