TY  - RPRT
TI  - Screening 3-year-olds for visual problems.
AU  - J Lang
PY  - 1986
DO  - 10.1001/archopht.1986.01050200019007
UR  - https://pubmed.ncbi.nlm.nih.gov/3741220/
ID  - 3741220
ER  -