RT Journal Article SR Electronic T1 Ectopic Gastric Mucosa Of The Common Bile Duct JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 134 OP 135 DO 10.3122/jabfm.8.2.134 VO 8 IS 2 A1 Bernd Wollschlaeger YR 1995 UL http://www.jabfm.org/content/8/2/134.abstract AB