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September 1970

Paroxysmal Positional Vertigo in Vitamin B12 Deficiency

Arch Otolaryngol. 1970;92(3):278-280. doi:10.1001/archotol.1970.04310030068014

A patient with vitamin B12, deficiency without anemia developed early neurologic manifestations of pernicious anemia, including a previously unreported complication of paroxysmal positional vertigo. All complications promptly disappeared with cyanocobalamin therapy.