TY - JOUR T1 - “Reproducibility of 6-minute walking test in patients with COPD”. N.A. Hernandes, E.F.M. Wouters, K. Meijer, J. Annegarn, F. Pitta and M.A. Spruit. <em>Eur Respir J</em> 2011; 38: 261–267. JF - European Respiratory Journal JO - Eur Respir J SP - 1583 LP - 1583 DO - 10.1183/09031936.50142010 VL - 40 IS - 6 A2 - , Y1 - 2012/12/01 UR - http://erj.ersjournals.com/content/40/6/1583.2.abstract N2 - Unfortunately, a confidence interval was published incorrectly in … ER -