Zahoor, H. ur R., S. Iqbal, M. A. Sharif, M. Hunain, M. Anwar, and H. Shahid. “Frequency of Readmission Among American Society of Anesthesia Classification After Total Hip and Total Knee Arthroplasty”. Journal of Health and Rehabilitation Research, vol. 4, no. 2, Apr. 2024, pp. 227-32, doi:10.61919/jhrr.v4i2.726.