@misc{indiciae8c680484a9d2,
  title = {Instrument counts.},
  author = {C J Vavra},
  year = {1993},
  doi = {10.1016/s0001-2092(07)65217-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8368809/},
  note = {Source identifier: 8368809}
}