- 1 About VHL Search portal
- 2 Starting the search in the Portal
- 3 Clusters or Filters
- 4 Search by Subject Descriptor
- 5 Access to full text
- 6 Advanced Search
About VHL Search portal
The VHL Search portal provides information sources in the health sciences in order to improve the access of scientific and technical information for professionals and students in this area.
The VHL Regional Portal interface is available for free in Portuguese, Spanish and English at http://bvsalud.org/en/
Starting the search in the Portal
To start your search type meaningful words and / or terms (subject descriptors) in the search box.
See the example below:
Clusters or Filters
The clusters are formed from the set of references of documents retrieved in the search by range of relevance and helps to refine the search result.
This area can be found on the right side of the result page.
Search by Subject Descriptor
By clicking subject descriptor lookup the search will be made in the DeCS (Descriptors in Health Sciences) and its qualifiers.
Access to more than 60 databases and the possibility to follow the entry of new content by RSS or XML that allows the export of data between systems.
Access to full text
When you find the document in the search result the system tells you where or how to get the full text and offers others display formats, see details below:
Another option to access the full text
If this option is not available from the document reference:
- O SCAD (Document delivery service) is available to order VHL documents.
Acesse o site: <http://scad.bvs.br/php/index.php?lang=en>
Refine the search using the option "Subject descriptor lookup"
In the Advanced search option, meaningful words or terms are combined by filling in the search form.
Search using the field codes
The search strategies can also be developed with the field codes in the search forms or in the search box on the VHL portal. Each method takes a proper syntax to include the search.
- Syntax for inclusion of field code in integrated method of search(iAHx): field code follow by : (colons)
Exemplo: MH:"yellow fever"
Top data fields used in VHL
Main Search Fields – LILACS
|Tag||Description||Search on IAHx|
|TI||Original Title and Translated Title of citations||By words or "phrases"
|TW||Text Words (words) Title + Abstract + DeCS/MeSH terms|| By words or "phrases"
|AB||Abstract of journal articles and documents|| By words or "phrases"
||DeCS/MeSH terms Trilingual Descriptors Portuguese, Spanish, English.
We can use the number of the DeCS/MeSH term in the search
|By DeCS/MeSH term in any of the languages
= MH:"dialise renal"
= MH:"dialisis renal"
|| Primary DeCS/MeSH terms.
Descriptors that reflect the major points of the article
||Publication type is included in DeCS/MeSH|| PT:"clinical trial"
= PT:"ensayo clinico"
= PT:"ensaio clinico"
|DA||Year of Publication|| Year and month (yyyymm)
DA:201001 - retrieves articles published in January 2010
DA:2010$ - all 2010
DA:2010$ OR DA:2011$ - retrieves year 2010 and 2011
(eg. Jatene, Adib Domingues ou Jatene, Adib D, ou Jatene, A. Domingues ou Jatene, Adib, etc)
| AU:"Yunes J"
AU:"Jatene, Adib D"
Title of the journal
Retrieve documents by selected language