“The Role of Polymorphisms of Thiopurine Methyltransferase in Therapy With Azathioprine: Preliminary Study”. Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale 91, no. 2 (November 28, 2018). Accessed April 17, 2026. https://www.pagepressjournals.org/jbr/article/view/7717.