Hole, Michael K., and Yann A. Meunier. “Apyretic Gastrointestinal Disorders Due to Giardiasis Contracted in Morocco”. Clinics and Practice 1, no. 2 (May 18, 2011): e40. Accessed January 28, 2021. https://clinicsandpractice.org/index.php/cp/article/view/cp.2011.e40.