Possible Therapeutic Effect of Chitosan Nanoparticles versus Pioglitazone Loaded Chitosan Nanoparticles on Colitis Associated with Chronic Kidney Disease in Adult Male Albino Rat Model. Histological and Biochemical Study. - Hassan, Rokia Mohamad; Eldin Sayed, Safinaz Salah; El-dean Habib, Alaa Serag; Yousry, Marwa Mohamed (Egyptian Journal of Histology, 2025)