Tatsis, G Bioavailability of a new sustained-release anhydrous theophylline product. [electronic resource] - The Journal of international medical research - 331-9 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0300-0605 Standard No.: 10.1177/030006059602400403 doi Subjects--Topical Terms: AdultBiological AvailabilityCross-Over StudiesDelayed-Action PreparationsFemaleHumansMaleTheophylline--administration & dosage