"Step-down" therapy for asthma: why, when, and how?
Bacharier
Leonard B
LB
D018927:Anti-Asthmatic Agents / Q000008:administration & dosage* / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D004334:Drug Administration Schedule; D006801:Humans
D018927:Anti-Asthmatic Agents