Earlier studies suggested that PA was restricted to Northern Europeans, but subsequent studies indicate that PA affects virtually all ethnic groups.37 Pernicious anaemia was considered a classical cause of vitamin B 12 deficiency before food-cobalamin malabsorption was described, and accounted for 15% to 25% of vitamin B 12 deficiency in the elderly in studies.9 In a local study on 296 Chinese patients, definite PA was diagnosed in 61% of patients having megaloblastic anaemia with vitamin B 12 or folate deficiency.38 Pernicious anaemia is characterised by destruction of gastric mucosa, especially fundal mucosa, primarily by a cell-mediated mechanism.39 There is progressive destruction and eventual loss of intrinsic factor producing gastric parietal cells
Variety in protein content of pollen from 50 plants from Bulgaria
Abdominal pain or discomfort affects 10-15% of users
A., Carrillo-Garcia, J., Tuntithavornwat, S., et al
Vitamin B-12 is a water-soluble B complex vitamin found naturally in a variety of foods, including meat, fish and dairy products
Neither peptide is an approved medicine
