Die Fentanylpulver zur Schmerzlinderung-Tagebücher
et al. The hidden Internet and the fentanyl problem: detection of ocfentanil as an adulterant rein heroin. Int J Drug PolicyThis disguised sale complicates ur ability to determine whether users like these drugs or not, but also suggests that those supplying them are relying on demand for the named drug to sell their products, i.e. heroin, OxyContin