Kasatkin, A.A. and Matreshkin, V.A. 2023. The ultrasound assessment of the inferior vena cava collapsibility in the prone volunteers through a new acoustic window: a prospective observational study. Annals of Critical Care. 4 (Oct. 2023), 169–175. DOI:https://doi.org/10.21320/1818-474X-2023-4-169-175.