Renal Transplant Pathology Serie Kidney allograft interstitial fibrosis and tubular atrophy (IFTA) due to specific causes: : Polyomavirus nephropathy. Pak J Kidney Dis [Internet]. 2023 Mar. 25 [cited 2026 Jul. 16];7(1):17-24. Available from: https://pjkd.com.pk/index.php/pjkd/article/view/222