Merlo, A., Koyun, A., Hendriksen, P., Garssen, J., Bruce, G., Stock, A. & Verster, J. 2025, 'Effects of COVID-19 lockdowns on alcohol consumption, hangovers and smoking among young adults (n = 140) in Germany: an on-line study', Human Psychopharmacology: Clinical and Experimental, 40(2), article no: e70000. https://doi.org/10.1002/hup.70000