PT  - JOURNAL ARTICLE
AU  - William K. Silverstein
AU  - Matthew C. Cheung
AU  - Yulia Lin
TI  - Vitamin B<sub>12</sub> deficiency
AID  - 10.1503/cmaj.220306
DP  - 2022 Jun 20
TA  - Canadian Medical Association Journal
PG  - E843--E843
VI  - 194
IP  - 24
4099  - http://www.cmaj.ca/content/194/24/E843.short
4100  - http://www.cmaj.ca/content/194/24/E843.full
SO  - CMAJ2022 Jun 20; 194