Reproducibility and inter-observer variability of the internal jugular vein ultrasonographic assessment: a multicenter cross-sectional study. Italian Journal of Medicine, [S. l.], 2026. DOI: 10.4081/itjm.2026.2547. Disponível em: https://www.italjmed.org/ijm/article/view/2547. Acesso em: 25 jul. 2026.