hospitalization
Prior 1        yr utilization rates of asthma medications and hospitalization rates for asthma       were greater among new users of long-acting beta 2-agonists than among new users        of salbutamol and xanthines.
Prior 1        yr utilization rates of asthma medications and  @SUBJECT$  rates  @PREDICAT$   @OBJECT$        were greater among new users of long-acting beta 2-agonists than among new users        of salbutamol and xanthines.