@misc{indiciae630624ec91a3,
  title = {What have we learned ?},
  author = {F H Frankel},
  year = {1986},
  doi = {10.1111/j.1749-6632.1986.tb51275.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2871796/},
  note = {Source identifier: 2871796}
}