TY - JOUR AU - A. Oteo AU - H. Daneshvar AU - A. Baldacchino AU - C. Matheson A1 - AD - DigitAS, Populations and Behavioural Science Division, School of Medicine, University of St Andrews, St Andrews, Fife, United Kingdom.;Salvation Army Centre for Addiction Services, Faculty of Social Sciences, University of Stirling, Stirling, United Kingdom.;NHS Fife Addiction Services, Leven, United Kingdom.;Faculty of Social Sciences, University of Stirling, Stirling, United Kingdom. AN - 36790860 BT - J Med Internet Res C5 - Opioids & Substance Use;HIT & Telehealth DA - Feb 15 DO - 10.2196/40389 DP - NLM ET - 20230215 JF - J Med Internet Res LA - eng PY - 2023 SN - 1439-4456 (Print);1438-8871 SP - e40389 ST - Overdose Alert and Response Technologies: State-of-the-art Review T1 - Overdose Alert and Response Technologies: State-of-the-art Review T2 - J Med Internet Res TI - Overdose Alert and Response Technologies: State-of-the-art Review U1 - Opioids & Substance Use;HIT & Telehealth U3 - 10.2196/40389 VL - 25 VO - 1439-4456 (Print);1438-8871 Y1 - 2023 ER -