Minotti, D A Once-a-day dosing with theophylline: a comparison of four sustained-release products. [electronic resource] - Annals of allergy Jun 1992 - 500-6 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0003-4738 Subjects--Topical Terms: AdolescentAdultAgedAsthma--drug therapyCircadian RhythmDelayed-Action PreparationsDrug Administration ScheduleFemaleHumansMaleMiddle AgedPatient SatisfactionRespiratory Function TestsTheophylline--administration & dosage