Original Research

A comparative study of the five-repetition sit-to-stand test and the 30-second sit-to-stand test to assess exercise tolerance in COPD patients

Zhang Q, Li YX, Li XL, Yin Y, Li RL, Qiao X, Li W, Ma HF, Ma WH, Han YF, Zeng GQ, Wang QY, Kang J, Hou G

International Journal of Chronic Obstructive Pulmonary Disease 2018, 13:2833-2839

Published Date: 10 September 2018