Haider, A., Tareen, H. ullah, & Syed, F. O. . (2024). Frequency and risk factors of postoperative hyponatremia in primary hip and knee arthroplasties patients at a tertiary care hospital, Karachi, Pakistan. Journal of Postgraduate Medical Institute, 38(3). https://doi.org/10.54079/jpmi.38.3.3366