8866F42F-2390-4A64-A6EA-914D84D4ECEDMeasuring and Analysing Socioeconomic Inequalities in HealthIntramuralMC_UU_12017/13C008C651-F5B0-4859-A334-5F574AB6B57CMRCEXPENDITURE_ACTUAL3788000F93D24E9-B4DF-47DD-9B4C-2B02749BD033Frequency of health-care utilization by adults who use illicit drugs: a systematic review and meta-analysis.Addiction (Abingdon, England)f40b5f15d9c5559d9203d262e1d5eabbLewer D2020-01-01http://dx.doi.org/10.1111/add.1489231705770http://ukpmc.ac.uk/abstract/MED/317057700965-2140http://europepmc.org/abstract/MED/317057701156Journal Article/Review5e6108e5942fa5.57804467