1135-5727 1135-5727 S1135-57272018000100309 Spain Spain España Spain España Canada Spain 00 00 2018 00 00 2018 92

Delegación del Gobierno para el Plan Nacional Sobre Drogas 2018 European Monitoring Centre for Drugs and Drug Addiction 2016 22 22 2001 348-64 2005 4 2014 109 1338-52 2012 432 432-9 2013 47 1452-60 2016 88 933-47 2014 487 613-20 2016 Sewage Analysis CORe group Europe (SCORE) European Monitoring Centre for Drugs and Drug Addiction 2016 541 616-22 2017 609 916-26 2015 536 91-8 2014 86 10274-81 2014 487 703-9 2011 37 49-55 2014 88 289-99 2011 34 1091-101 2017 609 1582-8 2016 565 977-83 2017 51 3902-10 2017 121 270-9 2015 1409 146-51 2017 89 9941-5 2016 573 1648-59