@misc{indiciae06ac3a01ef03,
  title = {Node negative breast cancer.},
  author = {M D Leslie and E J Maher},
  year = {1990},
  doi = {10.1136/bmj.300.6726.749-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/2322731/},
  note = {Source identifier: 2322731}
}