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Comment
. 2011 Nov;118(12):1542; author reply 1542-3.
doi: 10.1111/j.1471-0528.2011.03086.x.

Assessing the methods of a recently published study: four placebo groups?

D Betts, S Budd, C Citkovitz, R Lang
Comment

Assessing the methods of a recently published study: four placebo groups?

D Betts et al. BJOG. 2011 Nov.
No abstract available

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