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About Our Search Engine
Results Page Description:
- Page Description, if it has been specifically
written, coded, and hidden in the page header
- Otherwise, the first instance of the specific
Ever wonder why a page has been selected?
- Click on:
"Cached" link for Web pages,
"Text Version" link for PDF files to see your search terms highlighted.
- Automatic Spell Checking
- More accurate and relevant search and retrieval.
- Advanced Searches.
- Searches remote servers containing NHLBI Web
content. (Look at the URLs.)
- By default, the search engine returns only pages that
include all of your search terms; there is no need to use
- For exact matches, use quotes -- for
example, "restless leg syndrome".
- Refining or narrowing your search:
Use the 2nd box on the results page. This will
automaticlly add more words to the search terms you have
already entered. The refined query returns a specific subset
of the pages that were returned by your original broad query.
- Required words are desiganed by putting
a plus sign (+) immediately in front of the required
term (no space). Make sure you include a space
before the plus sign.
- Exclude words from your search by putting
a minus sign (-) immediately in front of the term you want to exclude (no space). Make sure you include
a space before the minus sign.
- Searches are NOT case-sensitive; "Dr.
Nabel" is the same as "dr. nabel".
- For "OR" searches: use an uppercase "OR"
between terms, for example, "heart OR sleep".
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- Results are ranked by relevance to the search
terms. Common words and characters are excluded.
- Excluded words include most pronouns and
articles, such terms as "where" and "how," and certain single digits and single
letters. These terms rarely help to narrow a search and can slow searching
- If you want to use any of these words in your
search, use the plus sign (+) sign immediately in front of the terms you want
to include, or enclose your phrase containing these words in quotation marks.
Make sure that you include a space before the plus sign.
- Page Title: The first line of the result is the
title of the Web page found. Sometimes, instead of a title, there will be a
URL, which indicates that the page has no title.
- Excerpts from the document are included that
include how your search terms are used in context on that page. These are found
just below the title link. Your terms are bolded, so you can tell at a glance
whether the result is a page you want to visit.
- Cached Pages: Clicking on the cached link will
enable you to see the content of the Web page with the search terms
highlighted. This can help you find the relevant part of the document (where
the terms appear) and can help you understand why a particular document was
- Indented Result: an addional document from the same
- More Results: If there are more than two documents
from the same directory, the remaining documents are folded behind this "More