title: A challenge for CHICA.
authors.forename: R
authors.initials: R
authors.lastname: Arnold
mesh_terms: D002170:Canada; D003428:Cross Infection / Q000191:economics* / Q000517:prevention & control; D004469:Economics, Hospital; D006801:Humans; D012952:Societies / Q000458:organization & administration*; D012954:Societies, Hospital / Q000458:organization & administration*