RT Journal Article SR Electronic T1 Nonionic contrast media: a bargain for some, a burden for many JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 480 OP 481 VO 143 IS 6 A1 Goel, V. A1 Deber, R. B. A1 Detsky, A. S. YR 1990 UL http://www.cmaj.ca/content/143/6/480.abstract