Renal Transplant Pathology Serie Kidney allograft interstitial fibrosis and tubular atrophy (IFTA) due to specific causes: : Chronic calcineurin inhibitor toxicity. Pak J Kidney Dis [Internet]. 2022 Sep. 25 [cited 2026 Jul. 16];6(3):23-9. Available from: https://pjkd.com.pk/index.php/pjkd/article/view/204