@misc{indiciae24f78ece3482,
  title = {Ethnic differences in urinary oestrogens.},
  author = {M Briggs},
  year = {1972},
  doi = {10.1016/s0140-6736(72)90336-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4109965/},
  note = {Source identifier: 4109965}
}