TY - JOUR T1 - Google proposes evidence-based search rankings JF - Canadian Medical Association Journal JO - CMAJ SP - 483 LP - 483 DO - 10.1503/cmaj.109-5017 VL - 187 IS - 7 AU - Roger Collier Y1 - 2015/04/21 UR - http://www.cmaj.ca/content/187/7/483.abstract N2 - ER -