title: [Pure routine].
authors.forename: Preben
authors.initials: P
authors.lastname: Aavitsland
mesh_terms: D003428:Cross Infection / Q000517:prevention & control*; D004203:Disinfection / Q000266:history / Q000379:methods; D006235:Hand Disinfection / Q000379:methods; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D017053:Infection Control / Q000266:history / Q000379:methods; D017757:Infectious Disease Transmission, Professional-to-Patient / Q000517:prevention & control*