Dr Divyanshu Gupta, and Dr Priyanka Rani. “A Prospective Study on Post-Operative Pulmonary Complications and the Efficacy of Pre-Operative Pulmonary Rehabilitation in Elderly Patients Undergoing Lower Limb Arthroplasty at a Tertiary Care Center in India”. International Journal of Pharmacy Research & Technology (IJPRT), vol. 15, no. 1, Jan. 2025, pp. 1672-7, doi:10.55529/ijprt.1293.