. 2022 Oct 3;10(10):1940. doi: 10.3390/healthcare10101940
© 2022 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 5.
The IoT 4-Layer Architecture for HMS [21].