@misc{indiciae817a593a2387,
  title = {Levels of reduction.},
  author = {E Michels},
  year = {1994},
  doi = {10.1093/ptj/74.12.1138},
  url = {https://pubmed.ncbi.nlm.nih.gov/7991656/},
  note = {Source identifier: 7991656}
}