Scala razionale per valutare il danno delle droghe. I dati provengono dall’articolo del 24 marzo 2007 di The Lancet: l scale to assess the harm of drugs. Data source is the March 24, 2007 article: Nutt, David, Leslie A King, William Saulsbury, Colin Blakemore. “Development of a rational scale to assess the harm of drugs of potential misuse”