The influence of muscle mass in the assessment of lower limb strength in COPD [Abstract] PearsonRuth EsligerDale PetherickEmily SherarLauren JamesB. EvansRachel A. GreeningN. KingsnorthAndrew P. OrmeMark W. MorganMike SinghSally TomsN. SteinerMichael 2017 The influence of muscle mass in the assessment of lower limb strength in COPD [Abstract]