TY - JOUR T1 - Vitamin B<sub>12</sub> and homocysteine JF - Canadian Medical Association Journal JO - CMAJ SP - 1360 LP - 1360 DO - 10.1503/cmaj.1050170 VL - 173 IS - 11 AU - Brian M. Gilfix Y1 - 2005/11/22 UR - http://www.cmaj.ca/content/173/11/1360.1.abstract ER -