@misc{indiciaef45206b27edc,
  title = {An improved all-glass extractor.},
  author = {H E HADD and W H PERLOFF},
  year = {1957},
  doi = {10.1210/jcem-17-5-673},
  url = {https://pubmed.ncbi.nlm.nih.gov/13416378/},
  note = {Source identifier: 13416378}
}