TY  - RPRT
TI  - Evaluating and reporting astigmatism for individual and aggregate data.
AU  - J T Holladay
AU  - D R Dudeja
AU  - D D Koch
PY  - 1998
DO  - 10.1016/s0886-3350(98)80075-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9494900/
ID  - 9494900
ER  -