TY - JOUR T1 - Megaloblastic anemia due to severe vitamin B<sub>12</sub> deficiency JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 8 LP - 9 DO - 10.3949/ccjm.89a.21041 VL - 89 IS - 1 AU - Nellowe Candelario AU - Catherine Klein Y1 - 2022/01/01 UR - http://www.ccjm.org/content/89/1/8.abstract N2 - ER -