[Water filters for the prevention of nosocomial legionellosis? Letter 1].
Popp
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D003428:Cross Infection / Q000517:prevention & control*; D005374:Filtration / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D007876:Legionellosis / Q000517:prevention & control*; D014871:Water Microbiology; D014881:Water Supply / Q000592:standards*