A CROSS-SECTIONAL SURVEY OF POTENTIAL FACTORS, MOTIVATIONS, AND BARRIERS INFLUENCING RESEARCH PARTICIPATION AND RETENTION AMONG PEOPLE WHO USE DRUGS IN THE RURAL USA

A cross-sectional survey of potential factors, motivations, and barriers influencing research participation and retention among people who use drugs in the rural USA

Abstract Background Despite high morbidity and RAW B-12 mortality among people who use drugs (PWUD) in rural America, most research is conducted within urban areas.Our objective was to describe influencing factors, motivations, and barriers to research participation and retention among rural PWUD.Methods We recruited 255 eligible participants from

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Component wave calculation and analysis of the acoustic field in a borehole within a three-phase porous medium

Abstract The knowledge of acoustic wave propagation in a Links borehole embedded in gas hydrate-bearing sediments is of great significance for the exploitation of gas hydrate.A gas hydrate-bearing sediment is a typical three-phase porous medium containing two solids and one fluid.However, until now, the borehole acoustic wavefield and its component

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