Pernicious Anaemia
BMJ 369:m1319, Mohamed, M.,et al, 2020
Neurologic Aspects of Cobalamin Deficiency
Medicine 70:229-245, Healton,E.B.,et al, 1991
Aetiology of Optic Neuritis
BMJ 2:265, , 1975
Organic Disease Presenting as a Psychiatric Syndrome
Postgrad Med 54:78, , 1973