The five-repetition sit-to-stand test as a functional outcome measure in COPD
Sarah E Jones, Samantha S C Kon, Jane L Canavan, Mehul S Patel, Amy L Clark, Claire M Nolan, Michael I Polkey, William D-C Man
Thorax Nov 2013, 68 (11) 1015-1020; DOI: 10.1136/thoraxjnl-2013-203576