PubMed® Subject Subset Strategies Updated for 2008
a ll PubMed subject subset strategies are reviewed at least once a year to see if modifications are necessary. Modifications may include revisions due to changes in MeSH vocabulary, adding or deleting terms, and changing parts of a strategy to try to optimize retrieval. The following subset strategies were recently revised: Bioethics, Cancer, Complementary Medicine, and Systematic Reviews.
PubMed® Subject Subset Strategies Updated for 2008. NLM Tech Bull. 2008 Jan-Feb;(360):e7.