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B Ashworth
Br J Ophthalmol. 1967 October; 51(10): 698–702.
PMCID:
PMC506475
 Is Cited by the Following Articles in this Archive:
I E Ormerod, W I McDonald
J Neurol Neurosurg Psychiatry. 1984 September; 47(9): 943–946.
PMCID:
PMC1027995