[On the heroin epidemic, its impact, its context, and health policy].

@article{Villalb1999OnTH,
  title={[On the heroin epidemic, its impact, its context, and health policy].},
  author={Joan Ram{\'o}n Villalb{\'i} and Mar{\'i}a Teresa Brugal},
  journal={Medicina clinica},
  year={1999},
  volume={112 19},
  pages={736-7}
}