Division of Gastroenterology and Hepatology;
William Beaumont Hospital;
Royal Oak;
MI 48073;
United States;
Oakland University William Beaumont School of Medicine;
Royal Oak;
MI 48073;
United States;
Division of Gastroenterology;
New York University Winthrop Medical Center;
Mineola;
NY 11501;
United States;
Minimally; invasive; therapy; Endoscopy; Ascending; cholangitis; Therapeutic; endoscopicretrograde-cholangiopancreatography; Pregnancy; Radiation; teratogenicity;