TY - JOUR T1 - On_the_Net@cma.ca/Sur_le_Net@cma.ca JF - Canadian Medical Association Journal JO - CMAJ SP - 453 LP - 453 VL - 157 IS - 4 A2 - , Y1 - 1997/08/15 UR - http://www.cmaj.ca/content/157/4/453.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -