Bellis, M. A., Hughes, K., Calafat, A., Juan, M., Ramon Aribau, A., Rodríguez, J. A. (. A., . . . Philips-Howard, P. (2008). Sexual uses of alcohol and drugs and the associated health risks: A cross sectional study of young people in European cities.

Bellis, Mark A., Karen Hughes, Amador Calafat, Montse Juan, Anna Ramon Aribau, Josep A. (Josep Antoni) Rodríguez, Fernando Mendes, Susanne Schnitzer, y Penny Philips-Howard. Sexual Uses of Alcohol and Drugs and the Associated Health Risks: A Cross Sectional Study of Young People in European Cities. 2008.

Bellis, Mark A., et al. Sexual Uses of Alcohol and Drugs and the Associated Health Risks: A Cross Sectional Study of Young People in European Cities. 2008.