Hoofnagle Jay H, Nelson Kenrad E, Purcell Robert H
Liver Disease Research Branch, Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA.
N Engl J Med. 2012 Sep 27;367(13):1237-44. doi: 10.1056/NEJMra1204512.