Yousuf, Fakhir, Salman El Khalid, Abdul Wasay Mahmood, Zafar Iqbal, Zehra Kazmi, Waqar Hassan, Shakeel Haseeb uddin Siddique, and Mujeeb Ahmed Khan. 2021. “The Effect of Reduced Tidal Volume on Post Percutaneous Nephrolithotomy Pulmonary Complications- A Retrospective Case Control Study”. International Journal of Endorsing Health Science Research 9 (3):296-301. https://doi.org/10.29052/IJEHSR.v9.i3.2021.296-301.