Blame the counselling, not the implant. A response to Oliver, Horspool & Keen (2005).
Kunøe
Nikolaj
N
Lobmaier
Philipp
P
D002983:Clinical Competence; D003376:Counseling / Q000592:standards*; D004343:Drug Implants / Q000008:administration & dosage / Q000009:adverse effects; D006556:Heroin Dependence / Q000523:psychology* / Q000534:rehabilitation; D006801:Humans; D009271:Naltrexone / Q000008:administration & dosage / Q000009:adverse effects*; D009292:Narcotic Antagonists / Q000008:administration & dosage / Q000009:adverse effects*
D004343:Drug Implants; D009292:Narcotic Antagonists; D009271:Naltrexone