Kholboyev Sevdiyor Toyir uglu. Development of a System for Monitoring the Functional Parameters of the Heart Using a Smartphone. Int Jour of Innovative Analyses and Emerging Technology [Internet]. 2023 Sep. 25 [cited 2024 Jul. 3];3(9):31-5. Available from: https://openaccessjournals.eu/index.php/ijiaet/article/view/2271