Blindness in a vegan.
Finkel
H E
HE
D000749:Anemia, Megaloblastic / Q000209:etiology*; D001766:Blindness / Q000209:etiology; D019411:Clinical Laboratory Techniques; D014676:Diet, Vegetarian / Q000009:adverse effects*; D006801:Humans; D014804:Vitamin B Deficiency / Q000175:diagnosis* / Q000209:etiology