Simple drug delivery system for use by young asthmatics.
D000336:Aerosols; D000420:Albuterol / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D012138:Respiratory Therapy / Q000379:methods
D000336:Aerosols; D000420:Albuterol