Ruste, Martin, et al. “Relationship Between Point-of-Care Ultrasound Venous Congestion Assessment Parameters, Intravenous Pressure, and Venous Return: A Post-Hoc Analysis of a Prospective Cohort Study”. The Ultrasound Journal, vol. 17, no. 1, Feb. 2025, p. 15, https://mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18123.