SEARCH Articles Figures Tables Drug administration route inhaled insulin Exubera Inhalative Insulin Hormonal) Insulin, inhaled Inhalable insulin product Inhalation drug products insulin Inhaled insulin Insulin inhalable Insulin inhalation spray Insulin inhalation therapy Insulin inhaled recombinant human Insulin therapy inhaled Insulin, human inhalation powder Insulin, inhaled Smoking Respiratory drug delivery insulin inhalation