@misc{indiciaeb06451655db2,
  title = {The placenta--an environmental problem.},
  author = {J M Scott},
  year = {1973},
  doi = {10.1136/bmj.1.5856.800-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4694440/},
  note = {Source identifier: 4694440}
}