1. Frequency dependence of compliance as a test for obstruction in the small airways;Woolcock;J Clin Invest,1969
2. The lung’s “quite zone.”;Mead;N Engl J Med,1970
3. Selective alveolobronchographic findings in type-B patients of chronic obstructive lung disease with special reference to lesion in small airways;Kawakami;Jap J Thorac Dis,1977
4. Studies on chronic obstructive pulmonary disease by selective alveolobronchography;Kirisawa;Jap J Thorac Dis,1979
5. Study of lesions of the peripheral respiratory tract by selective alveolobronchography;Tanaka;Jap J Thorac Dis,1982