Once-daily budesonide inhalation powder (Pulmicort Turbuhaler) maintains pulmonary function and symptoms of asthmatic children previously receiving inhaled corticosteroids. - Shapiro GG; Mendelson LM; Pearlman DS (Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 2001)