RT Journal Article SR Electronic T1 Physical activity, nutritional status and systemic inflammation in COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 522 OP 529 DO 10.1183/09031936.00041212 VO 40 IS 3 A1 Pierantonio Laveneziana A1 Paolo Palange A1 on behalf of the ERS Research Seminar Faculty YR 2012 UL http://erj.ersjournals.com/content/40/3/522.abstract AB