title: Is environment really a function?
authors: European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), Praca Europa 1, Cais do Sodré, 1249-289, Lisbon, Portugal, Gregor.Burkhart@emcdda.europa.eu.
authors: Gregor
authors: G
authors: Burkhart
mesh_terms: D011315:Preventive Medicine / Q000145:classification*; D058996:Quality Improvement; D018875:Vocabulary, Controlled