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O'Brien KK, Solomon P, Worthington C, Ibáñez-Carrasco F, Baxter L, Nixon SA, Baltzer-Turje R, Robinson G, Zack E; HIV, Health And Rehabilitation Survey Catalyst Team.O'Brien KK, et al. Among authors: baxter l.J Med Internet Res. 2014 Mar 13;16(3):e81. doi: 10.2196/jmir.3064.J Med Internet Res. 2014.PMID: 24642066Free PMC article.