TY  - RPRT
TI  - Test comparing a new with a conventional astigmatic chart.
AU  - G A BRECHER
AU  - D LEWIS
AU  - A A EASTMAN
PY  - 1959
DO  - 10.1016/0002-9394(59)90247-8
UR  - https://pubmed.ncbi.nlm.nih.gov/13670269/
ID  - 13670269
ER  -