Use of spacers to facilitate inhaled corticosteroid treatment of asthma.
D000305:Adrenal Cortex Hormones / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D012138:Respiratory Therapy / Q000295:instrumentation*
D000305:Adrenal Cortex Hormones