Evaluation of the effect and predictive role of vitamin D and vitamin D receptor expression in CD4 + , CD8 + , CD14 + , CD56 + cells on the development of chronic rejection and graft functions in kidney transplant patients. - Vural T; Yilmaz VT; Koksoy S; Kisaoglu A; Ozel D; Demiryilmaz I; Aydinli B; Kocak H; Suleymanlar G (International urology and nephrology, 2023)