@article{jeaffreson_1872, 
  title={THE IMPROVED DEMONSTRATING OPHTHALMOSCOPE.}, 
  volume={99}, 
  DOI={10.1016/s0140-6736(02)63956-x}, 
  number={2526}, 
  publisher={Elsevier BV}, 
  author={Jeaffreson}, 
  year={1872}
  }