Sheu, Jia-Shing, Ho-Nien Shou, Fa-Min Luo, and Guan-Ci Zeng. “The Realization of Healthcare Combined With Bluetooth and NFC Technology”. Proceedings of Engineering and Technology Innovation 40 (October 1, 2016): 22-24. Accessed February 29, 2020. http://ojs.imeti.org/index.php/PETI/article/view/248.