Cite
APA Citation
Institution,, B. S. (1996). Visual acuity test types. Method for correlating optotypes used for non-clinical purposes.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100104591191.0x000001
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Institution,, B. S. (1996). Visual acuity test types. Method for correlating optotypes used for non-clinical purposes.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100104591191.0x000001