Gagandeep Kaur, Dr. Meenu Gupta, Dr. Rakesh Kumar. “IoT Based Smart Healthcare Monitoring System: A Systematic Review”. Annals of the Romanian Society for Cell Biology (February 1, 2021): 3721–3728. Accessed April 20, 2024. http://annalsofrscb.ro/index.php/journal/article/view/484.