PT - JOURNAL ARTICLE AU - D. J. Roy AU - B. M. Dickens AU - M. McGregor TI - The choice of contrast media: medical, ethical and legal considerations DP - 1992 Nov 01 TA - Canadian Medical Association Journal PG - 1321--1324 VI - 147 IP - 9 4099 - http://www.cmaj.ca/content/147/9/1321.short 4100 - http://www.cmaj.ca/content/147/9/1321.full SO - CMAJ1992 Nov 01; 147