Marndi, C. ., G. . Patra, B. K. Nayak, and S. . Chhotaray. “A PROSPECTIVE STUDY OF THE LONG-TERM EFFECTS OF HYPEROXEMIA DURING COPD EXACERBATION: A PROSPECTIVE COHORT STUDY.”. Student’s Journal of Health Research Africa, vol. 4, no. 12, Dec. 2023, p. 6, doi:10.51168/sjhrafrica.v4i12.930.