Cochrane Database of Systematic Review CDSR and Database of Abstracts of Reviews of Effects DARE were searched in The Cochrane Library Issue 10, 2010, and conducted electronic searches were made on PUBMED January 1950 to December 2010, LILACS January 1982 to December 2010, and SCIELO last search in December 2010.
La búsqueda se hizo en el Cochrane Database of Systematic Review CDSR y en el Database of Abstracts of Reviews of Effects DARE, en la The Cochrane Library Issue 10, 2010. También realizamos búsquedas electrónicas en el PUBMED de enero de 1950 a diciembre de 2010, LILACS de enero de 1982 a diciembre de 2010 y SCIELO última búsqueda en diciembre de 2010.
A busca foi realizada no Cochrane Database of Systematic Review CDSR e no Database of Abstracts of Reviews of Effects DARE, na The Cochrane Library Issue 10, 2010. Também foram realizadas buscas eletrônicas no PUBMED de janeiro de 1950 a dezembro de 2010, LILACS de janeiro de 1982 a dezembro de 2010 e SCIELO última busca em dezembro de 2010.