PT - JOURNAL ARTICLE AU - Candelario, Nellowe AU - Klein, Catherine TI - Megaloblastic anemia due to severe vitamin B<sub>12</sub> deficiency AID - 10.3949/ccjm.89a.21041 DP - 2022 Jan 01 TA - Cleveland Clinic Journal of Medicine PG - 8--9 VI - 89 IP - 1 4099 - http://www.ccjm.org/content/89/1/8.short 4100 - http://www.ccjm.org/content/89/1/8.full SO - Cleve Clin J Med2022 Jan 01; 89