title: [The risks of transmission of contagious diseases from one floor to another via ventilation ducts].
authors.forename: J
authors.initials: J
authors.lastname: Boyer
authors.forename: G
authors.initials: G
authors.lastname: Blancher
mesh_terms: D004739:England; D005160:Facility Design and Construction; D005602:France; D006784:Hospitals, Teaching / Q000592:standards; D006801:Humans; D012307:Risk Factors; D012899:Smallpox / Q000635:transmission*; D014691:Ventilation