2023. Factors Affecting Heart Rate Variability. Evgeniya Gospodinova, Mariya Negreva, Nikolay Noev

https://doi.org/10.55630/STEM.2023.0509

2020. Methods for Semantic Description of Digital Data in the Field of Medical Systems. Galina Bogdanova, Todor Todorov, Nikolay Noev

https://doi.org/10.55630/STEM.2020.0206