Search tutorial
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Contents
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:
Search tips
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.
Clusters area
This area can be found on the right side of the result page.
Search result
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:
BIREME informs that the SCAD (Document Delivery Service) is temporarily unavailable. For more information access the site: <http://scad.bvs.br>
Search by Subject Descriptor
By clicking subject descriptor lookup the search will be made in the DeCS (Descriptors in Health Sciences) and its qualifiers.
Refine the search using the option "Subject descriptor lookup"
You can associate the descriptors in a previously carried out search. The descriptor will appear as filter.
Advanced Search
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"
TI:malaria TI:"yellow fever" |
| TW | Text Words (words) Title + Abstract + DeCS/MeSH terms | By words or "phrases"
TW:hepatitis TW:"acute hepatitis" |
| AB | Abstract of journal articles and documents | By words or "phrases"
AB:"genetic diseases" AB:hepatitis |
| MH |
DeCS/MeSH terms Trilingual Descriptors Portuguese, Spanish, English.
To explode the category of Descriptor use * after the category number |
MH:"renal dialysis" = MH:"dialise renal" = MH:"dialisis renal" = MH:E02.870.300 Explode = MH:E02.870.300* |
| MJ |
Primary DeCS/MeSH terms.
Descriptors that reflect the major points of the article |
MJ:Vaccines
MJ:"Influenza vaccines" |
| PT |
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 |
| AU | Autor
(eg. Jatene, Adib Domingues ou Jatene, Adib D, ou Jatene, A. Domingues ou Jatene, Adib, etc) |
AU:"Yunes J"
AU:"Jatene, Adib D" |
| TA | Journal
Title of the journal |
TA:Jama |
| LA | Language
Retrieve documents by selected language |
LA:es |
