PT - JOURNAL ARTICLE AU - Silverstein, William K. AU - Cheung, Matthew C. AU - Lin, Yulia TI - Carence en vitamine B<sub>12</sub> AID - 10.1503/cmaj.220306-f DP - 2022 Sep 26 TA - Canadian Medical Association Journal PG - E1300--E1301 VI - 194 IP - 37 4099 - http://www.cmaj.ca/content/194/37/E1300.short 4100 - http://www.cmaj.ca/content/194/37/E1300.full SO - CMAJ2022 Sep 26; 194