TY  - RPRT
TI  - Self-administered automatic sight-testing. A feasibility study.
AU  - V M Reading
AU  - R A Weale
PY  - 1993
DO  - 10.1007/bf01203569
UR  - https://pubmed.ncbi.nlm.nih.gov/8334919/
ID  - 8334919
ER  -