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.
Saleh AM, Ahmed MA, El Said EA, Awadalla NJ, Attia AAMM.Saleh AM, et al. Among authors: awadalla nj.Sleep Med X. 2023 Aug 14;6:100083. doi: 10.1016/j.sleepx.2023.100083. eCollection 2023 Dec 15.Sleep Med X. 2023.PMID: 37635707Free PMC article.
Awadalla NJ, El-Helaly M, Gouida M, Mandour R, Mansour M.Awadalla NJ, et al.Int J Occup Environ Med. 2011 Jan;2(1):27-36.Int J Occup Environ Med. 2011.PMID: 23022816
El-Helaly M, Awadalla N, Mansour M, El-Biomy Y.El-Helaly M, et al.Int J Occup Med Environ Health. 2010;23(4):331-8. doi: 10.2478/v10001-010-0039-y.Int J Occup Med Environ Health. 2010.PMID: 21306978