Křivohlavý, T., Lada, M., Malý, M., Jakl, M., Krása, K., Šín, M. (2026). Retinal arteriovenous oxygen saturation difference is inversely associated with cardiac output measured by echocardiography: a non-invasive pilot study. Scientific Reports. https://doi.org/10.1038/s41598-026-56918-3