TY - RPRT TI - Malignant change within surgically drained choledochal cysts. AU - G P Cohen AU - C O'Donnell PY - 1992 DO - 10.1111/j.1440-1673.1992.tb03155.x UR - https://pubmed.ncbi.nlm.nih.gov/1332669/ ID - 1332669 ER -