Watkins PB, Kaplowitz N, Slattery JT, et al. (July 2006). "Aminotransferase elevations in healthy adults receiving 4 grams of acetaminophen daily: a randomized controlled trial". JAMA: The Journal of the American Medical Association. 296 (1): 87–93. doi:10.1001/jama.296.1.87. PMID16820551.
Watkins PB, Kaplowitz N, Slattery JT, et al. (July 2006). "Aminotransferase elevations in healthy adults receiving 4 grams of acetaminophen daily: a randomized controlled trial". JAMA: The Journal of the American Medical Association. 296 (1): 87–93. doi:10.1001/jama.296.1.87. PMID16820551.