TY - RPRT TI - Periampullary diverticulum causing biliary stricture and obstruction. AU - Ngian Chye Tan AU - Salleh Ibrahim AU - Chung Ming Chen AU - Khoon Hean Tay PY - 2005 UR - https://pubmed.ncbi.nlm.nih.gov/15858697/ ID - 15858697 ER -