title: Does the evidence support the SHEA-IDSA recommendation on the use of positive-pressure mechanical valves?
authors.forename: Kerry J
authors.initials: KJ
authors.lastname: Edgar
mesh_terms: D026683:Advisory Committees; D016470:Bacteremia / Q000517:prevention & control*; D002405:Catheterization, Central Venous / Q000009:adverse effects* / Q000295:instrumentation*; D003428:Cross Infection / Q000517:prevention & control*; D004867:Equipment Design; D004864:Equipment and Supplies / Q000009:adverse effects*; D006287:Health Planning Guidelines; D006761:Hospitals / Q000592:standards; D006801:Humans; D012955:Societies, Medical; D012958:Societies, Scientific