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Saquib N, Rock CL, Natarajan L, Flatt SW, Newman VA, Thomson CA, Caan BJ, Pierce JP.Saquib N, et al. Among authors: flatt sw.Health Educ Behav. 2009 Jun;36(3):518-31. doi: 10.1177/1090198108314617. Epub 2009 Jan 30.Health Educ Behav. 2009.PMID: 19181868Free PMC article.