The Oxford database of perinatal trials: Developing a register of published reports of controlled trials
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A database of perinatal trials is currently being established to provide a resource for reviews of the safety and efficacy of interventions used in perinatal care and to foster cooperative and coordinated research efforts in the perinatal field. The database will ultimately comprise four main elements: a register of published reports of trials; a register of unpublished trials; a register of ongoing and planned trials; and data derived from pooled overviews (meta-analyses) of trials. This article describes the development of the first of these four elements.
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