PT - JOURNAL ARTICLE ED - , TI - Terminology, Definitions, and Classification of Chronic Pulmonary Emphysema and Related Conditions AID - 10.1136/thx.14.4.286 DP - 1959 Dec 01 TA - Thorax PG - 286--299 VI - 14 IP - 4 4099 - http://thorax.bmj.com/content/14/4/286.short 4100 - http://thorax.bmj.com/content/14/4/286.full SO - Thorax1959 Dec 01; 14