@misc{indiciae747cb7a94293,
  title = {New method for measuring pressure.},
  author = {P Unger and J E Tengberg and B Klasson},
  year = {1970},
  doi = {10.1016/s0140-6736(70)91050-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4191553/},
  note = {Source identifier: 4191553}
}