Susceptibility to thiopurine toxicity by TPMT and NUDT15 variants in Colombian children with acute lymphoblastic leukemia. Colomb Med [Internet]. 2021 Jun. 29 [cited 2026 Jan. 11];52(3):e2074569. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/4569