Avianningsih, R., Hasimun, P., Jafar, G., Putriyanti, A.- fira, & Zakaria, H. (2026). Preliminary study of blood pressure and arterial stiffness monitoring using the niva device (non-invasive vascular analyzer). Science Midwifery, 13(6), 1486–1494. https://doi.org/10.35335/midwifery.v13i6.2212