@misc{indiciae4a6deff08318,
  title = {Node negative breast cancer.},
  author = {J Grogono},
  year = {1990},
  doi = {10.1136/bmj.300.6724.612},
  url = {https://pubmed.ncbi.nlm.nih.gov/2108776/},
  note = {Source identifier: 2108776}
}