_:na5569df696fa4d7a8938b63c87f3ffcbxb0
<http://schema.org/mainEntityOfPage>
<https://phys.org/news/2018-04-automating-personal-safety-wearable-smart.html>
<https://phys.org/news/2018-04-automating-personal-safety-wearable-smart.html?deviceType=mobile>