Wachirapong Suwanboonrit และผู้แต่งคนอื่นๆ. (2009) Radiation dose to patients and medical staff during endoscopic retrograde cholangiopancreatography (ERCP) procedure. Chulalongkorn University:ม.ป.ท.Wachirapong Suwanboonrit และผู้แต่งคนอื่นๆ. 2009. Radiation dose to patients and medical staff during endoscopic retrograde cholangiopancreatography (ERCP) procedure. ม.ป.ท.:Chulalongkorn University;Wachirapong Suwanboonrit และผู้แต่งคนอื่นๆ. Radiation dose to patients and medical staff during endoscopic retrograde cholangiopancreatography (ERCP) procedure. ม.ป.ท.:Chulalongkorn University, 2009. Print.