Chiou, W L Discrepancy of the conversion factor between theophylline and aminophylline. [electronic resource] - The Journal of allergy and clinical immunology Jun 1978 - 408-9 p. digital Publication Type: Letter ISSN: 0091-6749 Standard No.: 10.1016/0091-6749(78)90123-9 doi Subjects--Topical Terms: AminophyllineHumansTheophyllineTherapeutic Equivalency