@misc{indiciae1f1558829fb0,
  title = {Node negative breast cancer.},
  author = {R W Blamey and C W Elston and I O Ellis and D A Morgan and J L Haybittle},
  year = {1990},
  doi = {10.1136/bmj.300.6732.1137-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2344543/},
  note = {Source identifier: 2344543}
}