TY  - RPRT
TI  - A versatile color confrontation test for the central visual field. A comparison with quantitative perimetry.
AU  - L Frisén
PY  - 1973
DO  - 10.1001/archopht.1973.01000040005002
UR  - https://pubmed.ncbi.nlm.nih.gov/4684896/
ID  - 4684896
ER  -