RT Journal Article SR Electronic T1 Do manufacturers of brand-name drugs engage in price competition? An analysis of introductory prices JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1120 OP 1121 DO 10.1503/cmaj.051687 VO 174 IS 8 A1 Lexchin, Joel YR 2006 UL http://www.cmaj.ca/content/174/8/1120.abstract