TY - RPRT TI - ERCP using a special catheter with external steering. A reliable aid in typical ERCP problems. AU - M Staritz AU - U Baas AU - K Ewe AU - K H Meyer zum Büschenfelde PY - 1985 DO - 10.1055/s-2007-1018449 UR - https://pubmed.ncbi.nlm.nih.gov/3971936/ ID - 3971936 ER -