ULMER, H.-V. Let’s discuss the Criteria of Bradford Hill (1965). Health Promotion & Physical Activity, [S. l.], v. 15, n. 2, p. 56–57, 2021. DOI: 10.5604/01.3001.0014.9508. Disponível em: https://journals.anstar.edu.pl/index.php/hppa/article/view/27. Acesso em: 1 may. 2024.