References
- Armstrong, B. K., White, E., & Saracci, R. (1992). Principles of exposure measurement in epidemiology. Oxford University Press.
- Clay, J. M., & Parker, M. O. (2020). Alcohol use and misuse during the COVID-19 pandemic: A potential public health crisis? The Lancet Public Health, 5(5), e259. https://doi.org/https://doi.org/10.1016/S2468-2667(20)30088-8
- Cohen, P., & Sas, A. (1994). Cocaine use in Amsterdam in non-deviant subcultures. Addiction Research, 2(1), 71–94. https://doi.org/https://doi.org/10.3109/16066359409005547
- Coomber, R., Moyle, L., & South, N. (2016). The normalisation of drug supply: The social supply of drugs as the “other side” of the history of normalisation. Drugs: Education, Prevention and Policy, 23(3), 255–263. https://doi.org/https://doi.org/10.3109/09687637.2015.1110565
- Cruz, O. S. (2015). Nonproblematic illegal drug use: Drug use management strategies in a Portuguese sample. Journal of Drug Issues, 45(2), 133–150. https://doi.org/https://doi.org/10.1177/0022042614559842
- Decorte, T. (2001). Drug users’ perceptions of ‘controlled’and ‘uncontrolled’use. International Journal of Drug Policy, 12(4), 297–320. https://doi.org/https://doi.org/10.1016/S0955-3959(01)00095-0
- EMCDDA. (2020a). Impact of COVID-19 on patterns of drug use and drug-related harms in Europe. Office of the European Union.
- EMCDDA. (2020b). EU drug markets: Impact of COVID-19. https://www.emcdda.europa.eu/system/files/publications/13097/EU-Drug-Markets_Covid19-impact_final.pdf
- Fernández-Calderón, F., Díaz-Batanero, C., Barratt, M. J., & Palamar, J. J. (2019). Harm reduction strategies related to dosing and their relation to harms among festival attendees who use multiple drugs. Drug and Alcohol Review, 38(1), 57–67. https://doi.org/https://doi.org/10.1111/dar.12868
- Guirguis, A. (2020). There is a vulnerable group we must not leave behind in our response to COVID-19: People who are dependent on illicit drugs. The Pharmaceutical Journal, 304(7937), 1–8. https://doi.org/https://doi.org/10.1211/pj.2020.20207926
- Jacinto, C., Duterte, M., Sales, P., & Murphy, S. (2008). Maximising the highs and minimising the lows: Harm reduction guidance within ecstasy distribution networks. The International Journal on Drug Policy, 19(5), 393–400. https://doi.org/https://doi.org/10.1016/j.drugpo.2007.09.003
- Lee, C. M., Neighbors, C., Hendershot, C. S., & Grossbard, J. R. (2009). Development and preliminary validation of a comprehensive marijuana motives questionnaire. Journal of Studies on Alcohol and Drugs, 70(2), 279–287. https://doi.org/https://doi.org/10.15288/jsad.2009.70.279
- Marsden, J., Darke, S., Hall, W., Hickman, M., Holmes, J., Humphreys, K., Neale, J., Tucker, J., & West, R. (2020). Mitigating and learning from the impact of COVID-19 infection on addictive disorders. Addiction, 115(6), 1007–1010. https://doi.org/https://doi.org/10.1111/add.15080.
- Moore, K., & Measham, F. (2008). “It’s the most fun you can have for twenty quid”: Motivations, consequences and meanings of British ketamine use. Addiction Research & Theory, 16(3), 231–244. https://doi.org/https://doi.org/10.1080/16066350801983681
- Pavarin, R. M. (2016). First Consumers, then socially integrated: Results of a study on 100 Italian drug users who had never turned to public or private addiction services. Substance Use & Misuse, 51(7), 892–901. https://doi.org/https://doi.org/10.3109/10826084.2016.1155620
- Pavarin, R. M., Rego, X., Nostrani, E., De Caro, E., Biolcati, R., Canêdo, J., & Sanchini, S. (2020). Differences between subjects with socially integrated drug use: A study in Italy and Portugal. Journal of Substance Use, 25(4), 449–455. https://doi.org/https://doi.org/10.1080/14659891.2020.1736660
- Pfefferbaum, B., & North, C. S. (2020). Mental health and the Covid-19 pandemic. The New England Journal of Medicine, 383(6), 510–512. https://doi.org/https://doi.org/10.1056/NEJMp2008017
- Reynolds, J., & Wilkinson, C. (2020). Accessibility of ‘essential’ alcohol in the time of COVID-19: Casting light on the blind spots of licensing? Drug and Alcohol Review, 39(4), 305–308. https://doi.org/https://doi.org/10.1111/dar.13076
- Sharp, E. H., Coffman, D. L., Caldwell, L. L., Smith, E. A., Wegner, L., Vergnani, T., & Mathews, C. (2011). Predicting substance use behavior among South African adolescents: The role of leisure experiences across time. International Journal of Behavioral Development, 35(4), 343–351. https://doi.org/https://doi.org/10.1177/0165025411404494
- Vanderbruggen, N., Matthys, F., Van Laere, S., Zeeuws, D., Santermans, L., Van den Ameele, S., & Crunelle, C. L. (2020). Self-reported alcohol, tobacco, and cannabis use during COVID-19 lockdown measures: Results from a web-based survey. European Addiction Research, 26, 309–315. https://doi.org/https://doi.org/10.1159/000510822
- Vidal Giné, C., Fernández Calderón, F., & López Guerrero, J. (2016). Patterns of use, harm reduction strategies, and their relation to risk behavior and harm in recreational ketamine users. The American Journal of Drug and Alcohol Abuse, 42(3), 358–369. https://doi.org/https://doi.org/10.3109/00952990.2016.1141211
- Volkow, N. D. (2020). Collision of the COVID-19 and Addiction Epidemics. Annals of Internal Medicine, 1(73), 61–63. https://doi.org/https://doi.org/10.7326/M20-1212
- Wakeman, S. E., Green, T. C., & Rich, J. (2020). An overdose surge will compound the COVID-19 pandemic if urgent action is not taken. Nature Medicine, 26(6), 819–820. https://doi.org/https://doi.org/10.1038/s41591-020-0898-0
- Warburton, H., Turnbull, P. J., & Hough, M. (2005). Occasional and controlled heroin use: Not a problem? Joseph Rowntree Foundation.
- Wechsler, H., Dowdall, G. W., Davenport, A., & Rimm, E. B. (1995). A gender-specific measure of binge drinking among college students. American Journal of Public Health, 85(7), 982–985. https://doi.org/https://doi.org/10.2105/ajph.85.7.982
- Winstock, A. R., Davies, E. L., Gilchrist, G., Zhuparris, A., Ferris, J. A., Maier, L. J., & Barratt, M. J. (2020). Global drug survey special edition on COVID-19: Interim report. Retrieved July 2, 2020, from http://globaldrugsurvey.com
- World Health Organization. (2000). International guide for monitoring alcohol consumption and related harm (No. WHO/MSD/MSB/00.4). Geneva: Author.
- World Health Organization. (2020). Mental health and psychosocial considerations during the COVID-19 outbreak, 18 March 2020 (No. WHO/2019-nCoV/MentalHealth/2020.1). Geneva: Author.
- Zinberg, N. E. (1984). Drug, set, and setting: The basis for controlled intoxicant use. Yale University Press.