1. The lung's “quiet zone.”;Mead;N Engl J Med,1970
2. Frequency dependence of compliance as a test for obstruction in the small airways;Woolcock;J Clin Invest,1969
3. Physiologic diagnosis of subclinical emphysema;Gelb;Am Rev Respir Dis,1973
4. Mechanisms of maximal expiratory flow limitation in clinically unsuspected emphysema and obstruction of peripheral airways;Zamel;Am Rev Respir Dis,1976
5. Effect of body position on carbon monoxide diffusing capacity in asymptomatic smokers and nonsmokers;Hyland;Am Rev Respir Dis,1978