Searching for patterns in the MeSH vocabulary.

  title={Searching for patterns in the MeSH vocabulary.},
  author={Joyce E. B. Backus and Scott Davidson and Roy Rada},
  journal={Bulletin of the Medical Library Association},
  volume={75 3},
NLM revises its MeSH vocabulary annually to reflect changes in biomedical literature and the health sciences community. This study tested two hypotheses about NLM's MeSH vocabulary. The first is that new terms are added to MeSH when their broader terms have an increased number of postings. One examination compared the number of postings for the broader terms of new and existing terms in the current MEDLINE file; the other compared them over time. No significant statistical difference was found… CONTINUE READING