TY  - RPRT
TI  - Frequency doubling perimetry.
AU  - W E Sponsel
AU  - Y Trigo
AU  - J Hendricks
AU  - C Lloyd
PY  - 1998
DO  - 10.1016/s0002-9394(98)00235-9
UR  - https://pubmed.ncbi.nlm.nih.gov/9683173/
ID  - 9683173
ER  -