TY  - RPRT
TI  - [Determining visual acuity using European normal values: scientific principles and possibilities for automatic measurement].
AU  - M Bach
AU  - G Kommerell
PY  - 1998
DO  - 10.1055/s-2008-1034863
UR  - https://pubmed.ncbi.nlm.nih.gov/9644663/
ID  - 9644663
ER  -