A national audit of temporal trends in endoscopic retrograde cholangiopancreaticography (ERCP) in Norway

Glomsaker T, Søreide K, Aabakken L, Søreide JA. A national audit of temporal trends in endoscopic retrograde cholangiopancreaticography (ERCP) in Norway.
Scand J Gastroenterol 2010 (epub ahead of print)