TY - JOUR T1 - High cost, dubious benefit JF - Canadian Medical Association Journal JO - CMAJ SP - 175 LP - 176 DO - 10.1503/cmaj.110-2019 VL - 182 IS - 2 AU - Nav Persaud Y1 - 2010/02/09 UR - http://www.cmaj.ca/content/182/2/175.4.abstract ER -