TY - JOUR T1 - Exaggeration of treatment benefits using the “event-based” number needed to treat JF - Canadian Medical Association Journal JO - CMAJ SP - 669 LP - 671 DO - 10.1503/cmaj.080018 VL - 179 IS - 7 AU - Shawn D. Aaron MD AU - Dean A. Fergusson, PhD Y1 - 2008/09/23 UR - http://www.cmaj.ca/content/179/7/669.abstract ER -