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Figure 1 | BMC Medical Research Methodology

Figure 1

From: Cluster randomized trial of an active, multifaceted information dissemination intervention based on The WHO Reproductive health library to change obstetric practices: methods and design issues [ISRCTN14055385]

Figure 1

Flow chart of the trial design and random allocation (* In Mexico one hospital in large-social security stratum withdrew after random allocation (because of building renovation in the maternity). Another hospital that consented to participate that belonged to the small-state stratum was randomized; I = Intervention, C = Control)

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