11. Countdown 2000, American Lung Association, Washington, DC (pages 1-25) Publication: Produced: 11 September 1990 Subject(s): SmokingSmoking CessationTobacco IndustryGlobal Health Archival Collection: The C. Everett Koop Papers (Profiles in Science)
12. Countdown 2000, American Lung Association, Washington, DC (pages 26-50) Publication: Produced: 11 September 1990 Subject(s): SmokingSmoking CessationTobacco IndustryGlobal Health Archival Collection: The C. Everett Koop Papers (Profiles in Science)
13. Countdown 2000, American Lung Association, Washington, DC (pages 51-72) Publication: Produced: 11 September 1990 Subject(s): SmokingSmoking CessationTobacco IndustryGlobal Health Archival Collection: The C. Everett Koop Papers (Profiles in Science)