TY  - RPRT
TI  - Refractive changes in the elderly.
AU  - B Bengtsson
AU  - K Grødum
PY  - 1999
DO  - 10.1034/j.1600-0420.1999.770109.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10071146/
ID  - 10071146
ER  -