(Q52068501)
Statements
Methodological considerations on the design and analysis of an equivalence stratified cluster randomization trial. (English)
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L Bakketeig
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P Bergsjø
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G Piaggio
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G Carroli
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J Villar
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A Pinol
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P Lumbiganon
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Y Al-Mazrou
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H Ba'aqeel
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J M Belizán
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U Farnot
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H Berendes
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WHO Antenatal Care Trial Research Group
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1 February 2001
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20
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3
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401-416
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