TY  - RPRT
TI  - Sampling systems for visual field assessment and computerised perimetry.
AU  - N Drasdo
AU  - W C Peaston
PY  - 1980
DO  - 10.1136/bjo.64.9.705
UR  - https://pubmed.ncbi.nlm.nih.gov/7426596/
ID  - 7426596
ER  -