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Fig. 1 | Trials

Fig. 1

From: Access to routinely collected health data for clinical trials – review of successful data requests to UK registries

Fig. 1

Identification of trials from registries. Each trial is counted only once. For instance, trials identified through both release register searches and notification by registries are captured only once. Of 13 registries with release registers available, 10 published comprehensive release registers and three provided a brief lists of projects receiving routinely collected health data (RCHD) on the website

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