@misc{indiciae9c0fb2e15a60,
  title = {[Intralaboratory quality control over random and systematic errors using the combined Shewart-cusum check card].},
  author = {L Lambreva and S Dobrev},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3213031/},
  note = {Source identifier: 3213031}
}