“…For maintenance treatment in adults, the drugs most commonly selected by physicians were, in increasing order of choice, oral administration of sustained‐ release theophylline and inhaled corticosteroids and DSCG inhalation; for school‐children (6–16 years), the drugs used were DSCG inhalation, oral administration of sustained‐release theophylline, oral administration of antiallergic agent preparation and beta‐stimulants + DSCG inhalation; for infants, the drugs used were DSCG inhalation, oral administration of sustained‐release theophylline, oral administration of antiallergic agent preparation and beta‐stimulants + DSCG inhalation. The responses to the questionnaire showed that different drugs were selected for the treatment of asthma in adults, schoolchildren and infants 28 …”