An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Helal TE, Aref A, Gomaa AI, Nada O, Abd-Elghaffar M, Farouk K, Ehsan NA.Helal TE, et al.Asian Pac J Cancer Prev. 2022 Mar 1;23(3):839-849. doi: 10.31557/APJCP.2022.23.3.839.Asian Pac J Cancer Prev. 2022.PMID: 35345355Free PMC article.
Helal Tel A, Radwan NA, Shaker M.Helal Tel A, et al.Diagn Pathol. 2015 Jun 30;10:82. doi: 10.1186/s13000-015-0313-1.Diagn Pathol. 2015.PMID: 26122043Free PMC article.
Helal Tel A, Fadel MT, El-Thobbani AK, El-Sarhi AM.Helal Tel A, et al.Oral Oncol. 2012 Feb;48(2):120-4. doi: 10.1016/j.oraloncology.2011.08.024. Epub 2011 Sep 19.Oral Oncol. 2012.PMID: 21937259