%0 Journal Article %A Martijn A. Spruit %A Michael I. Polkey %T T’ai chi for individuals with COPD: an ancient wisdom for a 21st century disease? %D 2013 %R 10.1183/09031936.00128512 %J European Respiratory Journal %P 1005-1007 %V 41 %N 5 %U https://erj.ersjournals.com/content/erj/41/5/1005.full.pdf