Hassanein, Faika I, Amany I Shehata, and Rashad Abdul-Ghani. “G. Lamblia and H. Pylori Infections Among Mentally Challenged Individuals in Rehabilitation Centers in Alexandria, Egypt”. The Journal of Infection in Developing Countries 11, no. 07 (July 31, 2017): 577-582. Accessed February 25, 2021. https://jidc.org/index.php/journal/article/view/31071068.