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2. “The influence of different footwear on floor contamination,”;Hambraeus;Scandinavian Journal of Infectious Diseases,1979
3. Street shoes vs surgical footwear in the operating room;Ritter;Infections in Surgery,1984
4. Copp;, “Footwear practice and operating room contamination,” 366–369.
5. “Aseptic methods in the operating suite: A report of the Committee on Hospital Infection, Medical Research Council, Great Britain,”;Barber;Lancet,1965