Protective Role of Betulinic Acid against Cisplatin-Induced Nephrotoxicity and Its Antibacterial Potential toward Uropathogenic Bacteria oleh Fatemah A. Alherz, Engy Elekhnawy, Hend Mostafa Selim, Thanaa A. El-Masry, Aya H. El-Kadem, Ismail A. Hussein, Walaa A. Negm