TY  - RPRT
TI  - Changes in scotopic visibility thresholds with age.
AU  - R D GUNKEL
AU  - P GOURAS
PY  - 1963
DO  - 10.1001/archopht.1963.00960040010003
UR  - https://pubmed.ncbi.nlm.nih.gov/13951273/
ID  - 13951273
ER  -