@misc{indiciaef80559d4021f,
  title = {Statistics for clinicians. 5. Interval data (I).},
  author = {A S Nanivadekar and A R Kannappan},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1960160/},
  note = {Source identifier: 1960160}
}