@misc{indiciae3cce321e61ed,
  title = {Optimal multivariate matching before randomization.},
  author = {Robert Greevy and Bo Lu and Jeffrey H Silber and Paul Rosenbaum},
  year = {2004},
  doi = {10.1093/biostatistics/5.2.263},
  url = {https://pubmed.ncbi.nlm.nih.gov/15054030/},
  note = {Source identifier: 15054030}
}