00401nas a2200145   4500000000100000008004100001100001300042700001600055700001600071700001500087700001500102700001900117700001700136245010200153       2021                            d1 aD. Lewer1 aT. Brothers1 aN. Van Hest1 aM. Hickman1 aA. Holland1 aP. Padmanathan1 aP. Zaninotto00aCauses of death among people who used illicit opioids in England, 2001-18: a matched cohort study