TY - JOUR T1 - Further Observations on the Pathology of Pulmonary Emphysema in Chronic Bronchitics JF - Thorax JO - Thorax SP - 58 LP - 70 DO - 10.1136/thx.14.1.58 VL - 14 IS - 1 AU - Brian E. Heard Y1 - 1959/03/01 UR - http://thorax.bmj.com/content/14/1/58.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -