What is the name for the type of anemia that results from a vitamin B₁₂ deficiency caused by a lack of intrinsic factor?

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Pernicious anemia is a type of anemia that results from a vitamin B12 deficiency caused by a lack of intrinsic factor, which is needed for the absorption of vitamin B12. Microcytic anemia is a type of anemia characterized by small red blood cells. Macrocytic anemia is a type of anemia characterized by large red blood cells. Sickle-cell anemia is a genetic disorder in which red blood cells become abnormally shaped, leading to various complications.

What Is the Name for the Type of Anemia That