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The top documents tagged [sampling sampling frame]
Retention and risk factors for attrition among adults in antiretroviral treatment programs in Tanzania, Uganda and Zambia Olivier Koole Institute of Tropical
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EDUC 500: Introduction to Educational Research Dr. Stephen Petrina Dr. Franc Feng Department of Curriculum Studies University of British Columbia
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LESSONS LEARNED FROM THE N.C. SMOKE-FREE AFFORDABLE HOUSING SURVEY
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Study Team
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