TY  - RPRT
TI  - Red square test for visual field screening. A sensitive and simple bedside test.
AU  - A Mandahl
PY  - 1994
DO  - 10.1111/j.1755-3768.1994.tb04680.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7747575/
ID  - 7747575
ER  -