Guedes, Ana Luiza Vilar, et al. “Histological Remission of Autoimmune Hepatitis After the Addition of Allopurinol and Azathioprine Dose Reduction”. Autopsy and Case Reports, vol. 7, no. 2, June 2017, pp. 35-42, https://doi.org/10.4322/acr.2017.021.