AU - Sarr MG TI - Invited critique: Comparison of magnetic resonance and endoscopic retrograde cholangiopancreatography in malignant pancreaticobiliary obstruction: invited critique PT - JOUR DP - 1999 TA - Archives of Surgery pages = {1007}, VI - 134 IP - 9 AID - 10.1001/archsurg.134.9.1007 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.134.9.1007 SO - Archives of Surgery September 1, 1999 134(9):1007