Vagaggini, B Oral slow-release theophylline does not prevent early and late asthmatic response to allergen in sensitized subjects. [electronic resource] - Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace Jan 1995 - 7-11 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 1122-0643 Subjects--Topical Terms: Administration, OralAdultAllergensAsthma--physiopathologyBronchial Provocation TestsBronchoconstriction--drug effectsCross-Over StudiesDelayed-Action PreparationsDouble-Blind MethodFemaleForced Expiratory Volume--physiologyHumansMaleMethacholine ChlorideTheophylline--administration & dosageTime Factors