Mar, Papa Daouda, Bouchra El Khalfi, Mounir Benyoussef, and Abdelaziz Soukri. “The Protozoan Tetrahymena: Cellular Model for Biological Studies”. Annual Research & Review in Biology 32, no. 5 (August 8, 2019): 1-12. Accessed April 12, 2021. https://journalarrb.com/index.php/ARRB/article/view/30095.