TY - JOUR T1 - Proposed trade agreement could increase patent protection for pharmaceuticals JF - Canadian Medical Association Journal JO - CMAJ SP - E459 LP - E460 DO - 10.1503/cmaj.109-4490 VL - 185 IS - 10 AU - Laura Eggertson Y1 - 2013/07/09 UR - http://www.cmaj.ca/content/185/10/E459.abstract ER -