A. T. MARUBBIO, M.D.
To the editor: In his article on vitamin B12 deficiency caused by a low cholesterol diet in a vegetarian (1), Murphy comments in his penultimate paragraph, "Had he (the patient) continued to eat a folate-rich vitamin B12-deficient diet, serious neurologic sequelae might have developed." In the 1960s, I spent a year in Calcutta and had occasion to speak with the hematologist at the Royal School of Tropical Medicine Hygiene, Dr. Chatterjee. At one point, the topic of neurologic deficiency in vitamin B12 deficiency in vegans came up, and he gave as his opinion that it was unlikely that neurologic deficiency
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MARUBBIO AT. Neurologic Effects of Vitamin B12 Deficiency. Ann Intern Med. 1981;94:823–824. doi: 10.7326/0003-4819-94-6-823_3
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Published: Ann Intern Med. 1981;94(6):823-824.
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