- Prostaglandin E receptors in bile ducts of hepatolithiasis patients and the pathobiological significance for cholangitis. Shoda, J., Ueda, T., Kawamoto, T., Todoroki, T., Asano, T., Sugimoto, Y., Ichikawa, A., Maruyama, T., Nimura, Y., Tanaka, N. Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association. (2003)