Measurement of ammonia in venous blood specimen

Henry JB: Clinical Diagnosis and Management by Laboratory Methods, 20th ed. Saunders, 2001.

Tietz NW (Ed): Clinical Guide to Laboratory Tests, 3rd ed. W. B. Saunders, Philadelphia, PA, 1995.

Belay ED, Bresee JS, Holman RC, et al: Reye's syndrome in the united states from 1981 through 1997. New Engl J Med 1999; 340(18):1377-1382.