For Information About Chronic Obstructive Pulmonary Disease (COPD)
 
U.S. DEPARTMENT OF HEALTH
AND HUMAN SERVICES
Public Health Service
National Institutes of Health
National Heart, Lung, and Blood Institute
NIH Publication No. 95-2020
Originally Printed: 1981
Previously Revised: 1993
Reprinted November 1995
 
DEPARTMENT OF HEALTH
AND HUMAN SERVICES
Public Health Service
National Institutes of Health
National Heart, Lung, and Blood Institute
NIH Publication No. 95-2020
Originally Printed: 1981
Previously Revised: 1993
Reprinted November 1995
 
DEPARTMENT OF HEALTH
AND HUMAN SERVICES
Public Health Service
National Institutes of Health
National Heart, Lung, and Blood Institute
NIH Publication No. 95-2020
Originally Printed: 1981
Previously Revised: 1993
Reprinted November 1995
 
Public Health Service
National Institutes of Health
National Heart, Lung, and Blood Institute
NIH Publication No. 95-2020