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\bibitem{Titus_etal1994} Titus, S., Marmor, M., Des Jarlais, D. C., Kim, M., Wolfe, H., \& Beatrice, S. (1994). Bleach use and HIV seroconversion among New York City injection drug users. \textit{Journal of acquired immune deficiency syndromes}, \textit{7}(7), 700--704.

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