TY  - RPRT
TI  - Diabetic retinopathy.
AU  - B P Harrold
PY  - 1971
DO  - 10.1016/s0140-6736(71)80047-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4099348/
ID  - 4099348
ER  -