K. C. Martin, E. A. Gill, I. J. Douglas, and A. A. Longino, “Evaluation of a modified venous excess ultrasound (VExUS) protocol for estimation of venous congestion: a cohort study”, Ultrasound J, vol. 17, no. 1, p. 7, Jan. 2025, doi: 10.1186/s13089-025-00411-x.