TY  - RPRT
TI  - Astigmatism and school myopia.
AU  - O Pärssinen
PY  - 1991
DO  - 10.1111/j.1755-3768.1991.tb02061.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1789096/
ID  - 1789096
ER  -