Search Field Tags

Terms may be qualified using PubMed's search field tags. A list of the available field names, tags, and brief field descriptions may be found in the PubMed Help under Search Field Descriptions and Tags.

• Each search term should be followed (qualified) with the appropriate search field tag that indicates which field will be searched.
  
  
• The search field tag must follow the term -- you cannot prequalify.
  
  
• In the example, aromatherapy[mh] is correct and [mh] aromatherapy is incorrect.
  
  
• Tags are enclosed in square brackets.