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Hobbs MM, van der Pol B, Totten P, Gaydos CA, Wald A, Warren T, Winer RL, Cook RL, Deal CD, Rogers ME, Schachter J, Holmes KK, Martin DH.Hobbs MM, et al.Sex Transm Dis. 2008 Jan;35(1):8-13. doi: 10.1097/OLQ.0b013e31815d968d.Sex Transm Dis. 2008.PMID: 18157061Free PMC article.