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Number of items: 1.
Jia, Naizheng, Shu, Haoran, Wang, Xinheng 
ORCID: 0000-0001-8771-8901, Xu, Bowen, Xi, Yuzhang, Xue, Can, Liu, Youming and Wang, Zhi
(2022)
Smartphone-Based Social Distance Detection Technology with Near-Ultrasonic Signal.
SENSORS, 22 (19).
7345-.