title: Choosing wisely between randomized controlled trials and observational designs in studies about interventions.
authors.affiliation: Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (SP) Brasil.|Methods in Epidemiologic, Clinical and Operations Research-MECOR-program, American Thoracic Society/Asociación Latinoamericana del Tórax.
authors.forename: Juliana Carvalho
authors.initials: JC
authors.lastname: Ferreira
authors.affiliation: Methods in Epidemiologic, Clinical and Operations Research-MECOR-program, American Thoracic Society/Asociación Latinoamericana del Tórax.|Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles (CA) USA.
authors.forename: Cecilia Maria
authors.initials: CM
authors.lastname: Patino
mesh_terms: D015982:Bias; D006801:Humans; D064887:Observational Studies as Topic / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012107:Research Design; D012307:Risk Factors; D015983:Selection Bias