1. Introduction: Diagnostic Tests for Liver, Gallbladder, and Biliary Disorders: Merck Manual Home E...
A variety of diagnostic tests help doctors assess disorders of the liver, gallbladder, and biliary tract (the ducts that connect the liver and gallbladder and that transport bile) Among the most important are a group of blood tests known as liver...
http://www.merck.com/mmhe/sec10/ch134/ch134a.html

2. Primary Biliary Cirrhosis
Primary biliary cirrhosis is a disease that slowly destroys the liver s bile ducts. Primary biliary cirrhosis is diagnosed through laboratory tests, x rays, and in some cases, a liver biopsy to help to determine the extent of disease progression.
http://digestive.niddk.nih.gov/ddiseases/pubs/primarybiliarycirrhosis/index.htm

3. JAMA -- Abstract: A Prospective Study of Coffee Consumption and the Risk of Symptomatic Gallstone...
Association of Coffee Consumption with Gallbladder Disease. Consumption of coffee is associated with reduced risk of death attributed to inflammatory and cardiovascular diseases in the Iowa Women's Health Study.
http://jama.ama-assn.org/cgi/content/abstract/281/22/2106