Natália Galito Rocha

Efficacy and effectiveness trials have different goals, use different tools, and generate different messages

F. Porzsolt, Arn Migowski, A. C. Toledo-Arruda, 2015, Pragmatic and observational research.

Efficacy and effectiveness trials have different goals, use different tools, and generate different messages.

F. Porzsolt, Arn Migowski, A. C. Toledo-Arruda, 2016, Pragmatic and observational research.