Letter: Vitamin-B12 deficiency in Asian immigrants.
D000749:Anemia, Megaloblastic / Q000209:etiology; D004641:Emigration and Immigration; D006801:Humans; D007194:India / Q000208:ethnology; D006113:United Kingdom; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000453:epidemiology*