00598nas a2200217   4500000000100000000000100001008004100002653001800043653002100061653002000082653001100102653001900113653003200132100001600164700001600180700001800196700001300214245012400227250001500351020001400366       2023                            d10aCrack cocaine10ageneral practice10ahealth-care use10aheroin10aSecondary Care10aSubstance-related disorders1 aN. Van Hest1 aT. Brothers1 aA. Williamson1 aD. Lewer00aHealth-care resource use among patients who use illicit opioids in England, 2010-20: A descriptive matched cohort study  a2023/12/05  a0965-2140