RT Journal Article SR Electronic T1 Doctors urged to use diagnostic alternatives to reactor-produced isotopes JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1102 OP 1103 DO 10.1503/cmaj.090798 VO 180 IS 11 A1 Laura Eggertson YR 2009 UL http://www.cmaj.ca/content/180/11/1102.abstract