RT Journal Article SR Electronic T1 Technique for removal of detached polyethylene catheters from intracardiac chambers and great vessels JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1310 OP 1310 VO 117 IS 11 A1 West, R. O. A1 Charrette, E. J. A1 Parker, J. O. YR 1977 UL http://www.cmaj.ca/content/117/11/1310.abstract