TY  - RPRT
TI  - Visual difficulties in older patients.
AU  - P A CHANDLER
PY  - 1957
DO  - 10.1111/j.1532-5415.1957.tb00070.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13438666/
ID  - 13438666
ER  -