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Joseph M. Mylotte, Donald White, Carolyn McDermott, Carolyn Hodan, Nosocomial Bloodstream Infection at a Veterans Hospital; 1979 to 1987, Infection Control and Hospital Epidemiology, Vol. 10, No. 10 (Oct., 1989), pp. 455-464
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Mylotte et al. (1989) studied this question.
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