TY  - RPRT
TI  - ABC of eyes. Refractive errors.
AU  - A R Elkington
AU  - P T Khaw
PY  - 1988
DO  - 10.1136/bmj.297.6642.192
UR  - https://pubmed.ncbi.nlm.nih.gov/3044510/
ID  - 3044510
ER  -