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| Mortality among regular or dependent users of heroin and other opioids: a systematic review and meta‐analysis of cohort studies L Degenhardt, C Bucello, B Mathers, C Briegleb, H Ali, M Hickman, ... Addiction 106 (1), 32-51, 2011 | 1002 | 2011 |
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| Meningococcal carriage by age: a systematic review and meta-analysis H Christensen, M May, L Bowen, M Hickman, CL Trotter The Lancet infectious diseases 10 (12), 853-861, 2010 | 766 | 2010 |
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| Association between cannabis and psychosis: epidemiologic evidence SH Gage, M Hickman, S Zammit Biological psychiatry 79 (7), 549-556, 2016 | 496 | 2016 |
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