Bordbar, Mohammadreza, Nader Shakibazad, Mohammadreza Fattahi, Sezaneh Haghpanah, and Naser Honar. 2018. “Effect of Ursodeoxycholic Acid and Vitamin E in the Prevention of Liver Injury from Methotrexate in Pediatric Leukemia”. Turkish Journal of Gastroenterology 29 (2):203-9. https://doi.org/10.5152/tjg.2018.17521.