title: Law enforcement--policing and drug related crime in urban areas.
mesh_terms: D003415:Crime / Q000331:legislation & jurisprudence*; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence*; D006801:Humans; D012926:Social Control, Formal; D019966:Substance-Related Disorders / Q000523:psychology*; D006113:United Kingdom; D014504:Urban Health