Arakawa T, Kuroki Y, Nitta H, Chouhan P, Toma K, Sawada S, Takeuchi S, Sekita T, Akiyoshi K, Minakuchi S, Mitsubayashi K, Mouthguard biosensor with telemetry system for monitoring of saliva glucose: A novel cavitas sensor, Biosens Bioelectron, 84, 106-111, 2016. (10.1016/j.bios.2015.12.014)