(Q37370806)
Statements
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Ethical challenges in cluster randomized controlled trials: experiences from public health interventions in Africa and Asia (English)
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David Osrin
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Dharma S Manandhar
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Kishwar Azad
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Armida Fernandez
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Charles W Mwansambo
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Prasanta Tripathy
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Anthony M Costello
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1 October 2009
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772-779
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Identifiers
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