TY - JOUR T1 - The thinker's sign JF - Canadian Medical Association Journal JO - CMAJ SP - 611 LP - 611 DO - 10.1503/cmaj.070672 VL - 179 IS - 6 AU - Gabriel Rebick MD AU - Suzanne Morin, MD MSc Y1 - 2008/09/09 UR - http://www.cmaj.ca/content/179/6/611.abstract ER -