RT Journal Article SR Electronic T1 “RELATIONSHIP BETWEEN RESPIRATORY SYMPTOMS AND MEDICAL TREATMENT IN EXACERBATIONS OF COPD”. P. CALVERLEY, R. PAUWELS, C-G. LÖFDAHL, K. SVENSSON, T. HIGENBOTTAM, L-G. CARLSSON AND E. STÅHL. EUR RESPIR J 2005; 26: 406–413. JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 440 OP 440 DO 10.1183/09031936.06.50143404 VO 27 IS 2 YR 2006 UL http://erj.ersjournals.com/content/27/2/440.abstract AB