RT Journal Article SR Electronic T1 “A double-blind randomised controlled trial of protein supplementation to enhance exercise capacity in COPD during pulmonary rehabilitation: a pilot study”. Abdulelah M. Aldhahir, Yousef S. Aldabayan, Jaber S. Alqahtani, Heidi A. Ridsdale, Colette Smith, John R. Hurst and Swapna Mandal. ERJ Open Res 2021; 7: 00077-2021 JF ERJ Open Research JO erjor FD European Respiratory Society SP 50077-2021 DO 10.1183/23120541.50077-2021 VO 8 IS 4 YR 2022 UL http://openres.ersjournals.com/content/8/4/50077-2021.abstract AB