@misc{indiciae4a152c2cd24e,
  title = {Drug identification using punched feature cards.},
  author = {J Ritchie and P Brodlie and R McGHarden},
  year = {1975},
  doi = {10.1016/s0140-6736(75)91561-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/47020/},
  note = {Source identifier: 47020}
}