Amin, M.N., Tarigan, A.P., Pradana, A. , Ashar, T. and Osareniro, O.E. 2024. Physical exercise and chicken egg white supplementation increase muscle mass of stable COPD patients . Narra J. 4, 1 (Jan. 2024), e406. DOI:https://doi.org/10.52225/narra.v4i1.406.