A 55-year-old man with a background of treated pernicious anaemia asks whether he can donate blood
A 55-year-old man with a background of treated pernicious anaemia asks whether he can donate blood. His haemoglobin, mean cell volume and B12 levels are within normal range, and you inform him that he is able to donate.
Which blood group is associated with the development of pernicious anaemia?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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