|
|
Enter term(s) in the Topic field to search Titles, Abstracts, Keywords, and other
topic fields
|
Guideline |
Example |
|
Use upper, lower or mixed case |
Entering DNA, dna, or Dna gives the same
results. |
|
Use wildcards to search for variants of words. |
Enter Test* to match Test, Tests, Testing, Tested.
Enter wom?n to search for records that contain woman, women, or womyn.
Enter col*r to match color and colour.
|
|
Separate two or more terms by the search operators AND, OR,
and NOT. |
Enter crim* AND poverty to find records containing both
crime (or criminals) and poverty.
Enter airplane* OR aircraft to find records containing either airplane
(or airplanes) or aircraft (or both airplane and aircraft).
Enter internet* NOT web to find records containing network (or internet,
internets, internetworking) but not the word web.
|
|
Use double quotes("") for phrase
or exact author search, enclose the phrase in quotation
marks. For example, the query "prostate cancer" or "John Smith"will
retrieve records that contain the exact phrase prostate cancer, if phrase is given,
or it will retrieve the articles authored by John Smith, if author name given.
If you enter a phrase without quotation marks, the search engine will retrieve records
that contain all of the words you entered. The words may appear in the same Topic
field, or they may appear in different Topic fields.
If you enter two words separated by a hyphen, period, or comma, then the term will
be interpreteted as an exact phrase. For examples, the search speech-impaired
will find records containing the exact phrase speech-impaired or speech
impaired.
|
Enter "prostate cancer" to search for articles containing
the phrase prostate cancer.
Enter "C N R Rao" to search for articles authored by C N R Rao.
The search prostate cancer will find records containing both words. The words
may be close together, or they may appear in different fields in the same record.
|
|
Search for hyphenated and unhyphenated variants of the same
term. |
To search for words containing the word X-ray, enter X-ray
OR Xray.
|
|
|
|
Examples |
|
|
|
|
|
oil OR petroleum |
|
|
|
"panic disorder" AND (elder* OR aging) |
|
|
|
transistor* AND polycrystalline |
|