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Keyser DJ, Pincus HA, Thomas SB, Castle N, Dembosky J, Firth R, Greenberg M, Pollack NK, Reis EC, Sansing VV, Scholle S.Keyser DJ, et al.Fam Community Health. 2010 Jul-Sep;33(3):216-27. doi: 10.1097/FCH.0b013e3181e4bc59.Fam Community Health. 2010.PMID: 20531102