@misc{indiciae27810a42f872,
  title = {Single vs. double acoustic reflectometry tracings.},
  author = {J T Combs},
  year = {1989},
  doi = {10.1097/00006454-198909000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/2797957/},
  note = {Source identifier: 2797957}
}