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2. Report on the National Survey of Infection in Hospitals, 1980;Meers, P.D.; Ayliffe, G.A.J.; Emmerson, A.M.;Journal of Hospital Infection
3. Infections acquired in medical wards;Public Health Laboratory Service;J Hyg Camb,1965
4. Dispersal of bacteria from skin lesions: a hospital hazard;Selwyn, S.; Chalmers, D.;Br J Dermatol,1965
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