[1]
Baggio, S., Studer, J., Mohler-Kuo, M., Daeppen, J.-B. and Gmel, G. 2013. Profiles of drug users in Switzerland and effects of early-onset intensive use of alcohol, tobacco and cannabis on other illicit drug use. Swiss Medical Weekly. 143, 2324 (Jun. 2013), w13805. DOI:https://doi.org/10.4414/smw.2013.13805.