The coronavirus disease of 2019 (COVID-19) pandemic rapidly spread around the world. resulting in massive medical morbidity and mortality and substantial mental health consequences. Post-traumatic stress disorder (PTSD) is an important psychiatric disorder associated with disasters. and many published scientific articles have reported post-traumatic stress syndromes in populations stu... https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/