TY - JOUR T1 - This experiment has failed JF - Canadian Medical Association Journal JO - CMAJ SP - 872 LP - 872 VL - 157 IS - 7 AU - G. T. Riley Y1 - 1997/10/01 UR - http://www.cmaj.ca/content/157/7/872.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -