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Yassin MM, Amr SS, Al-Najar HM.Yassin MM, et al. Among authors: al najar hm.Public Health. 2006 Dec;120(12):1177-87. doi: 10.1016/j.puhe.2006.07.026. Epub 2006 Oct 10.Public Health. 2006.PMID: 17034823