STEIN BACKES, Dirce; SILVEIRA COLOMÉ, Juliana; HERDMANN ERDMANN, Rolf; LERCH LUNARDI, Valéria. The focal group as a technique for data collection and analysis in qualitative research: DOI: 10.15343/0104-7809.2011354438442. O Mundo da Saúde, São Paulo, v. 35, n. 4, p. 438–442, 2011. Disponível em: https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/538. Acesso em: 30 aug. 2025.