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MediumGastroenterologyCrohn's Disease / Vitamin B12 Deficiencyukmlamrcp part 1mrcgp akt

A 40-year-old patient with Crohn's disease affecting the terminal ileum presents with increasing fatigue. Blood tests reveal: Hb 95 g/L (130-175), MCV 105 fL (82-99), Platelets 180 x10⁹/L (150-400), WCC 6.5 x10⁹/L (4.0-11.0). What deficiency is the most likely cause of this anaemia?

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