TY  - RPRT
TI  - Chart for visual acuity screening.
AU  - D Wong
AU  - S B Kaye
PY  - 1989
DO  - 10.1136/bjo.73.6.457
UR  - https://pubmed.ncbi.nlm.nih.gov/2751979/
ID  - 2751979
ER  -