title: Nosocomial transmission of severe acute respiratory syndrome: better quality of evidence is needed.
authors.forename: Stéphane
authors.initials: S
authors.lastname: Hugonnet
authors.forename: Dominique
authors.initials: D
authors.lastname: Legros
authors.forename: Cathy
authors.initials: C
authors.lastname: Roth
authors.forename: Carmem Lucia
authors.initials: CL
authors.lastname: Pessoa-Silva
mesh_terms: D003428:Cross Infection / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission*; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D012307:Risk Factors; D045169:Severe Acute Respiratory Syndrome / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission*