TY - JOUR T1 - Never alone with a clone JF - Canadian Medical Association Journal JO - CMAJ SP - 974 LP - 974 VL - 156 IS - 7 AU - C. J. Brown Y1 - 1997/04/01 UR - http://www.cmaj.ca/content/156/7/974.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -