@misc{indiciae3f4a3c7244da,
  title = {Signs for flowmeters.},
  author = {W J Hanna and M Nelson and H Harding-Goldson},
  year = {1992},
  doi = {10.1097/00000542-199203000-00035},
  url = {https://pubmed.ncbi.nlm.nih.gov/1531743/},
  note = {Source identifier: 1531743}
}