Aerosol inhalation before reading age.
D000280:Administration, Inhalation; D000336:Aerosols / Q000008:administration & dosage / Q000627:therapeutic use*; D000367:Age Factors; D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000188:drug therapy*; D006801:Humans; D007320:Inspiratory Capacity; D009064:Mouth Protectors; D010353:Patient Education as Topic; D010988:Play and Playthings; D012123:Pulmonary Ventilation; D013990:Tidal Volume
D000336:Aerosols