Nasir Mohamad; Nurkhairul Nizam Abd Halim; Rashidi Ahmad; Kamarul Aryffin Baharuddin. Theophylline Toxicity: A Case Report of the Survival of an Undiagnosed Patient Who Presented to the Emergency Department. Malays J Med Sci 2009, 16 (2), 33-37. https://doi.org/10.21315/.