BASHI, Z.; JANKEER, M. Effectiveness of the enzyme cytosine deaminase in the free living ciliary organism Tetrahymena pyriformis (Ehrenberg, 1830). Journal of Education and Science (JES), [S. l.], v. 21, n. 3, p. 15–27, 2008. DOI: 10.33899/edusj.2008.56042. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23529. Acesso em: 6 aug. 2025.