MA, Keon; POLS, Erin; THULL-FREEDMAN, Jennifer. Use of rational subgrouping to identify areas for improving time to ultrasound performance . Canadian Journal of Emergency Nursing, [S. l.], v. 45, n. 2, p. 16–17, 2022. DOI: 10.29173/cjen179. Disponível em: https://cjen.ca/index.php/cjen/article/view/179. Acesso em: 26 apr. 2024.