National Library of Medicine National Library of Medicine National Library of Medicine a681006 National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine theophylline National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine theophylline National Library of Medicine National Library of Medicine National Library of Medicine Theophylline National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine Theophylline National Library of Medicine National Library of Medicine National Library of Medicine MedlinePlus Drug Information: Theophylline National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine Theophylline theophylline National Library of Medicine Theophylline National Library of Medicine theophylline National Library of Medicine National Library of Medicine theophylline Theophylline theophylline Theophylline theophylline National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine Theophylline National Library of Medicine National Library of Medicine theophylline National Library of Medicine National Library of Medicine National Library of Medicine National Library of Medicine