PT - JOURNAL ARTICLE ED - , TI - Lung Clearance Mechanisms in Obstructive Airways Disease DP - 1984 Jul 01 TA - Journal of Nuclear Medicine PG - 804--804 VI - 25 IP - 7 4099 - http://jnm.snmjournals.org/content/25/7/804.short 4100 - http://jnm.snmjournals.org/content/25/7/804.full SO - J Nucl Med1984 Jul 01; 25