TY  - RPRT
TI  - Snellen on visual acuity.
AU  - J E LEBENSOHN
PY  - 1962
DO  - 10.1016/0002-9394(62)90414-2
UR  - https://pubmed.ncbi.nlm.nih.gov/14463310/
ID  - 14463310
ER  -