RETENTION AND ATTRITION AMONG AFRICAN AMERICANS IN THE STAR*D STUDY: WHAT CAUSES RESEARCH VOLUNTEERS TO STAY OR STRAY? 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

*RETENTION AND ATTRITION AMONG AFRICAN AMERICANS IN THE STARD STUDY: WHAT CAUSES RESEARCH VOLUNTEERS TO STAY OR STRAY?**

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