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.
Alabdulkarim SA, Farhan AM, Ramadan MZ.Alabdulkarim SA, et al. Among authors: ramadan mz.Int J Environ Res Public Health. 2020 Jan 24;17(3):749. doi: 10.3390/ijerph17030749.Int J Environ Res Public Health. 2020.PMID: 31991625Free PMC article.
Ghaleb AM, Khalaf TM, Ramadan MZ, Ragab AE, Badwelan A.Ghaleb AM, et al. Among authors: ramadan mz.Int J Environ Res Public Health. 2020 Mar 8;17(5):1761. doi: 10.3390/ijerph17051761.Int J Environ Res Public Health. 2020.PMID: 32182731Free PMC article.
Ramadan MZ, Al-Tayyar SN.Ramadan MZ, et al.Int J Environ Res Public Health. 2019 Oct 24;16(21):4104. doi: 10.3390/ijerph16214104.Int J Environ Res Public Health. 2019.PMID: 31653095Free PMC article.