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Greer S, Schieb LJ, Ritchey M, George M, Casper M.Greer S, et al.Public Health Rep. 2016 May-Jun;131(3):438-48. doi: 10.1177/003335491613100310.Public Health Rep. 2016.PMID: 27252564Free PMC article.
Young A, Ritchey MD, George MG, Hannan J, Wright J.Young A, et al. Among authors: ritchey md.Prev Chronic Dis. 2018 Jun 7;15:E73. doi: 10.5888/pcd15.170497.Prev Chronic Dis. 2018.PMID: 29885674Free PMC article.
Mpofu JJ, Smith RA, Patel D, Gillespie C, Cox S, Ritchey M, Yang Q, Morrow B, Barfield W.Mpofu JJ, et al.J Womens Health (Larchmt). 2020 May;29(5):703-712. doi: 10.1089/jwh.2018.7564. Epub 2019 Aug 8.J Womens Health (Larchmt). 2020.PMID: 31393215Free PMC article.