@misc{indiciaeeb6061d22192,
  title = {Evaluation of the ASTRA 4 new microprocessor-controlled electrolyte analyzer.},
  author = {A E Hartmann and J R Fillbach},
  year = {1980},
  doi = {10.1093/ajcp/74.3.275},
  url = {https://pubmed.ncbi.nlm.nih.gov/6774608/},
  note = {Source identifier: 6774608}
}