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2. A century of surgery: the history of the American Surgical Association;Ravitch,1981
3. Micro-organisms in surgical diseases;Ogston;BMJ,1881
4. Pathogenic staphylococci from anterior nares: incidence and differentiation;Hallman;Proc Soc Exp Biol Med,1937
5. Operation room infections;Hart;Arch Surg,1937