The Cochrane Library is a collection of databases of controlled clinical trials in medicine and other health care related information provided by the Cochrane Collaboration.
Featured databases are:
The Cochrane Database of Systemic Reviews (CDSR)
The Database of Abstracts of Reviews of Effectiveness (DARE)
... Pedro I established the independent Empire of Brazil. This lasted until the next emperor, Dom Pedro II was deposed in 1889 and a republican based federation was ...