RT Journal Article SR Electronic T1 Surgical lung volume reduction for severe pulmonary emphysema--a new review series JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 480 OP 481 DO 10.1183/09031936.99.13348099 VO 13 IS 3 A1 EW Russi A1 W Weder YR 1999 UL http://erj.ersjournals.com/content/13/3/480.abstract AB