Validity of Qualis database as a predictor of evidence hierarchy and risk of bias in randomized controlled trials: a case study in dentistry

by Christiane Alves Ferreira, Carlos Alfredo Salles Loureiro, Humberto Saconato, Alvaro Atallah
Published 2011-01-01

Assessing the risk of bias in randomized controlled trials in the field of dentistry indexed in the Lilacs (Literatura Latino-Americana e do Caribe em Ciências da Saúde) database

by Christiane Alves Ferreira, Carlos Alfredo Salles Loureiro, Humberto Saconato, Álvaro Nagib Atallah