TY  - RPRT
TI  - Detecting diabetic retinopathy.
AU  - R E Ryder
AU  - C A Hardisty
PY  - 1991
DO  - 10.1136/bmj.302.6777.659-b
UR  - https://pubmed.ncbi.nlm.nih.gov/1821621/
ID  - 1821621
ER  -