David SOTRES-RAMOS. A Comparative Overview of an Observational Study and a Randomized Trials. Contemporary Perspective on Science, Technology and Research Vol. 8, [S. l.], p. 94–101, 2024. DOI: 10.9734/bpi/cpstr/v8/7540B. Disponível em: https://stm.bookpi.org/CPSTR-V8/article/view/14055. Acesso em: 15 aug. 2026.