RT Journal Article SR Electronic T1 Autoimmunity, T‐cells and STAT‐4 in the pathogenesis of chronic obstructive pulmonary disease JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 3 OP 5 DO 10.1183/09031936.04.00043104 VO 24 IS 1 A1 Cosio, M.G. YR 2004 UL http://erj.ersjournals.com/content/24/1/3.abstract AB