To traverse the network you must:

• specify a MeSH concept name to use as a "target" using ONE of these two methods:
  • If you already know a MeSH concept name enter it here:
        or
  • otherwise, search the list of all MeSH concept names for a concept name to use as a "target":
    1. Enter a keyword that will likely appear as part of a MeSH concept name here: , and then
    2. Pull down the list below to examine alternative MeSH concept names that contain the keyword:
       Alternative MeSH concept names will appear here.

    3. Make a selection from the pull-down list

• ...and then press the button below to start the search.

For more help with MeSH category names use the MeSH online browser.

Here are some links to example queries illustrating the use of the MeSH Tree category selections:

• Tumor_Suppressor_Protein_p53 (Top 20 entries from the "Chemicals and Drugs" MeSH Tree only)
• Tumor_Suppressor_Protein_p53 (Top 20 entries from the "Diseases" MeSH Tree only)

• Alzheimer_Disease (Top 20 entries from the "Diseases" MeSH Tree only)

• Apolipoprotein_E4 (Top 20 entries from the "Diseases" MeSH Tree only)
• Apolipoprotein_E4 (Top 20 entries from the "Chemicals and Drugs" MeSH Tree only)

You may also wish to set certain viewing parameters:

     Select number of related categories to view: 10 20 30 40 50 100 200 300 400 500 1000 5000 10000 50000 all       Select viewing order: Alphabetical order Decreasing raw co-occurrence count Decreasing weight

     If viewing in "Decreasing weight" order you may select a minimum normalized weight to display: all 0.1 0.01 0.001

     To limit displayed concept links by one or more top level MeSH Tree category, check-off undesired categories in the list below:

• Anatomy [A]
• Organisms [B]
• Diseases [C]
• Chemicals and Drugs [D]
• Analytical, Diagnostic and Therapeutic Techniques and Equipment [E]
• Psychiatry and Psychology [F]
• Phenomena and Processes [G]
• Disciplines and Occupations [H]
• Anthropology, Education, Sociology and Social Phenomena [I]
• Technology, Industry, Agriculture [J]
• Humanities [K]
• Information Science [L]
• Named Groups [M]
• Health Care [N]
• Publication Characteristics [V]
• Geographicals [Z]