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Marin M, Güris D, Chaves SS, Schmid S, Seward JF; Advisory Committee on Immunization Practices, Centers for Disease Control and Prevention (CDC).Marin M, et al. Among authors: chaves ss.MMWR Recomm Rep. 2007 Jun 22;56(RR-4):1-40.MMWR Recomm Rep. 2007.PMID: 17585291Free article.