Comparative analysis of potential drug-drug interactions in a public and private hospital among chronic kidney disease patients in Khyber Pakhtunkhwa: A retrospective cross-sectional study - Roheena Zafar; Inayat Ur Rehman; Yasar Shah; Long Chiau Ming; Hui Poh Goh; Khang Wen Goh (PLoS ONE, 2023)