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Hepatitis A virus (HAV) vaccination is recommended in drug users (DUs) because this population has a very high prevalence of hepatitis C virus, and additional infection with HAV can lead to increased morbidity and mortality. The efficacy of hepatitis A vaccine (1440 ELISA units), in terms of immunogenicity, reactogenicity and compliance among 44 heroin DUs using a 0-6 month schedule was investigated...
Behavioral therapy platforms have become virtual requirements in pharmacotherapy trials due to their utility in reducing noise variability, preventing differential medication adherence and protocol attrition, enhancing statistical power and addressing ethical issues in placebo-controlled trials. Selecting an appropriate behavioral platform for a particular trial requires study-specific tailoring,...
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