title: Why is asthma mortality rising?
authors.forename: A D
authors.initials: AD
authors.lastname: Walling
mesh_terms: D001249:Asthma / Q000401:mortality*; D006801:Humans; D009520:New Zealand / Q000453:epidemiology; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology