Crynodeb o'r cais
Drug-related deaths where fentanyl was mentioned on the death certificate, with and without mentions of heroin or morphine, for English regions and Wales.
/peoplepopulationandcommunity/healthandsocialcare/drugusealcoholandsmoking/adhocs/010215deathsinvolvingfentanylwithandwithoutheroinormorphineregionsinenglandandwales2017