@misc{indiciae79ebdaa5e482,
  title = {Micro diffusion agar precipitin technique convenient for viewing and recording.},
  author = {A E Johnson},
  year = {1967},
  doi = {10.1128/jb.93.4.1476-1477.1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/4962062/},
  note = {Source identifier: 4962062}
}