Naqvi, Shahab, et al. “TRENDS OF SERUM CREATININE LEVELS IN POST-OPERATIVE CORONARY ARTERIAL BYPASS GRAFT (CABG) PATIENTS; A CROSS SECTIONAL STUDY AT AFIC NIHD RAWALPINDI”. Pakistan Armed Forces Medical Journal, vol. 65, no. (SUPPL), May 2020, pp. S35-38, https://pafmj.org/PAFMJ/article/view/4315.