@misc{indiciae9a6cfe8f5dc2,
  title = {Letter: "Menstrual toxin".},
  author = {V L Ernster},
  year = {1974},
  doi = {10.1016/s0140-6736(74)90718-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4134325/},
  note = {Source identifier: 4134325}
}