Randomized Trial of Zileuton in Patients with Moderate Asthma: Effect of Reduced Dosing Frequency and Amounts on Pulmonary Function and Asthma SymptomsByLawrence M. DuBuske, MD,Jay Grossman, MD,Louise M. Dube, PhD,Linda J. Swanson, PhD,James F. Lancaster, PhD,the Zileuton Study GroupApril 1st 1997