Ragauskas A, Daubaris G, Petkus V, et al. Non-invasive Technology for Monitoring of Intracranial Volumetric Pulse Waves and Trends. ELEKTRON ELEKTROTECH. 2008;86(6):51-54. Accessed February 7, 2026. https://eejournal.ktu.lt/index.php/elt/article/view/11183