@misc{indiciae6e87d6427671,
  title = {Letter: Evolutionary philosophy and morals.},
  author = {A Zucker},
  year = {1973},
  doi = {10.1056/nejm197312272892620},
  url = {https://pubmed.ncbi.nlm.nih.gov/4753949/},
  note = {Source identifier: 4753949}
}