@misc{indiciae17342ca32537,
  title = {[Correlation among N factor, mediastinal node excision and prognosis].},
  author = {K Matsumura and Y Yamaguchi and N Sato},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/469315/},
  note = {Source identifier: 469315}
}