Fig. 4From: The complex relation between access to opioid agonist therapy and diversion of opioid medications: a case example of large-scale misuse of buprenorphine in the Czech RepublicNumber of persons investigated for drug-related crime offences by primary drug, 2005–2015. Source: National Drug Squad of the Police of the Czech Republic in Mravčík et al. [37]Back to article page