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Validating the use of registries and claims data to support randomized trials: Rationale and design of the Extending Trial-Based Evaluations of Medical Therapies Using Novel Sources of Data (EXTEND) Study.
Strom JB, Tamez H, Zhao Y, Valsdottir LR, Curtis J, Brennan JM, Shen C, Popma JJ, Mauri L, Yeh RW. Strom JB, et al. Among authors: valsdottir lr. Am Heart J. 2019 Jun;212:64-71. doi: 10.1016/j.ahj.2019.02.007. Epub 2019 Mar 6. Am Heart J. 2019. PMID: 30953936 Free PMC article.
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