TY - RPRT TI - Repeat sphincterotomy: does its safety depend on the interval from the initial procedure? AU - Pier Alberto Testoni PY - 2003 DO - 10.1111/j.1572-0241.2003.07180.x UR - https://pubmed.ncbi.nlm.nih.gov/12526926/ ID - 12526926 ER -