Hikal, Wafaa, Miroslava Kačániova, Diaa Eldin Hussein, Amr Ghit, Slim Smaoui, Muhammad Aleem, Natália Čmiková, and Hussein Said-Al Ahl. “Dental Unit Waterlines and Health Risks of Pathogenic Microbial Contamination: An Update Review”. Journal of Biological Studies 6, no. 4 (December 31, 2023): 282–298. Accessed November 13, 2024. https://onlinejbs.com/index.php/jbs/article/view/8729.