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22. Speech [to the] World Conference on Lung Health, American Lung Association (American Thoracic Society), Boston, Massachusetts (pages 1-25)
23. Speech [to the] World Conference on Lung Health, American Lung Association (American Thoracic Society), Boston, Massachusetts (pages 26-50)
24. Speech [to the] World Conference on Lung Health, American Lung Association (American Thoracic Society), Boston, Massachusetts (pages 51-68)
25. Countdown 2000, American Lung Association, Washington, DC
26. Countdown 2000, American Lung Association, Washington, DC (pages 1-25)
27. Countdown 2000, American Lung Association, Washington, DC (pages 26-50)
28. Countdown 2000, American Lung Association, Washington, DC (pages 51-72)
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