@misc{indiciae04ecf971113c,
  title = {Sampling procedures in estrogen receptor determinations.},
  author = {J F Newsome and F P Avis and J E Hammond and S Sherwood},
  year = {1981},
  doi = {10.1097/00000658-198105000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/7235760/},
  note = {Source identifier: 7235760}
}