title: What is the economic impact of preschool viral upper respiratory infection?
authors.forename: D S
authors.initials: DS
authors.lastname: Urquhart
authors.forename: S A
authors.initials: SA
authors.lastname: McKenzie
mesh_terms: D001249:Asthma / Q000191:economics / Q000628:therapy; D002675:Child, Preschool; D017281:Cost of Illness; D006801:Humans; D007223:Infant; D012135:Respiratory Sounds / Q000175:diagnosis*; D012141:Respiratory Tract Infections / Q000191:economics* / Q000821:virology*; D006113:United Kingdom