Influence of bystander activation on pre-hospital emergency care response time: systematic review. Emergency Care Journal, [S. l.], v. 19, n. 4, 2023. DOI: 10.4081/ecj.2023.11568. Disponível em: https://www.pagepressjournals.org/ecj/article/view/11568. Acesso em: 5 may. 2026.