@misc{indiciae6c32914df34c,
  title = {Diabetic retinopathy. Concepts based on experimental data.},
  author = {P K Agrawal and L P Agarwal and H D Tandon},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5733918/},
  note = {Source identifier: 5733918}
}