Substance use assessment: comparing self-reports with objective data in a research setting
Abstract Accurate assessment of substance use is essential in public health, clinical, and research settings. While self-reports are widely used,…
Abstract Accurate assessment of substance use is essential in public health, clinical, and research settings. While self-reports are widely used,…
Abstract Dietary supplements are widely available products used by millions of people around the world. Unfortunately, the procedure of adding…