For more precise search strategies, you can search by field code(s). Field codes represent the individual pieces of information collected about a citation. Most commonly searched field codes include:
Author = [AU]
Title = [TI]
Title/Abstract = [TIAB]
Language = [LA]
MeSH terms = [MH]
MeSH subheadings = [SH]
MeSH major headings = [MAJR]
Text words = [TW]
Filters and limits can be found on the Advanced Search home page. Filters and limits refine your search without adding extra search terms and concepts. It is important to be thoughtful about the filters and limits used. For best results, add them one at a time and review the results as you go. Note: filter options appear on the results page.
PubMed filters:
A link to the PubMed user guide appears on each page below the search button.
