TY - JOUR T1 - It's elementary medicine, my dear Watson JF - Canadian Medical Association Journal JO - CMAJ SP - 1551 LP - 1552 DO - 10.1503/cmaj.070972 VL - 177 IS - 12 AU - Marshall Godwin, MD MSC Y1 - 2007/12/04 UR - http://www.cmaj.ca/content/177/12/1551.2.abstract ER -