RT Journal Article SR Electronic T1 Percutaneous retrieval of retained common bile duct stones JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 35 OP 40 VO 44 IS 1 A1 Richard G. Pepe A1 Thomas R. Havrilla A1 Thomas F. Meaney YR 1977 UL http://www.ccjm.org/content/44/1/35.abstract AB