Mulani, M.R., Deshmukh, S., Masaram, S.W. and Bhave, D. 2023. A study of vitamin C, superoxide dismutase and FEV1/FVC ratio in chronic obstructive pulmonary disease. International Journal of Research in Medical Sciences. 12, 1 (Dec. 2023), 159–163. DOI:https://doi.org/10.18203/2320-6012.ijrms20233992.