TY - JOUR T1 - New <em>CMAJ</em> policy on competing interests in guidelines needs strengthening JF - Canadian Medical Association Journal JO - CMAJ SP - E870 LP - E870 DO - 10.1503/cmaj.72449 VL - 191 IS - 31 AU - Joel Lexchin Y1 - 2019/08/06 UR - http://www.cmaj.ca/content/191/31/E870.abstract N2 - ER -