title: Emergency hospital visits for asthma.
authors: P
authors: P
authors: Johnson
authors: A
authors: A
authors: Sutherland
authors: I
authors: I
authors: Johnston
authors: I
authors: I
authors: Hall
mesh_terms: D001249:Asthma / Q000628:therapy*; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D006801:Humans; D011320:Primary Health Care / Q000706:statistics & numerical data*; D006113:United Kingdom