TY  - RPRT
TI  - Visual acuity depending on spherical correction.
AU  - G va de BRINK
AU  - M A BOUMAN
PY  - 1959
DO  - 10.1159/000303633
UR  - https://pubmed.ncbi.nlm.nih.gov/13849175/
ID  - 13849175
ER  -