@misc{indiciaeaca6a5a3a47f,
  title = {The fourth turning.},
  author = {P Muller-Smith},
  year = {1997},
  doi = {10.1016/s1089-9472(97)80057-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/9370584/},
  note = {Source identifier: 9370584}
}