References

• Pratt, Daniel S., Kaplan, Marshall M. Evaluation of Abnormal Liver-Enzyme Results in Asymptomatic Patients N Engl J Med 2000 342: 1266-1271 http://content.nejm.org/cgi/content/full/342/17/1266

• AGA guidelineshttp://www2.gastrojournal.org/scripts/om.dll/serve?action=searchDB&searchDBfor=art&artType=fullfree&id=agast1231367 3 page summary and 18 page full article available