Title: Gastroesophageal Reflux Disease

Pernicious Anaemia (PA) is an autoimmune disease that’s also known as macrocytic anaemia due to vitamin B deficiency (1). It is considered an autoimmune disorder as a result of intrinsic factors and parietal cells both being targeted by gastric autoantibodies. This also occurs due to the abundance presence of gastric autoantibodies (2). ................
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