The disease pernious anaemia is caused by the deficiency of vitamin
The disease pernious anaemia is caused by the deficiency of vitamin
A
$\mathrm{K}$
$\mathrm{B}_{1}$
$\mathrm{B}_{12}$
Solution
Either a lack of vitamin B-12 or a lack of folate causes a type of anemia called megaloblastic anemia (pernicious anemia). With these types of anemia, the red blood cells don't develop normally.
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