@misc{indiciae31fd3d19b267,
  title = {Value of manipulation.},
  author = {W G Rich},
  year = {1978},
  doi = {10.5694/j.1326-5377.1978.tb131467.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/152839/},
  note = {Source identifier: 152839}
}