@Article{info:doi/10.2196/43484, author="Velummailum, Russanthy Ruthiran and McKibbon, Chelsea and Brenner, Darren R and Stringer, Elizabeth Ann and Ekstrom, Leeland and Dron, Louis", title="Data Challenges for Externally Controlled Trials: Viewpoint", journal="J Med Internet Res", year="2023", month="Apr", day="5", volume="25", pages="e43484", keywords="external control arm; synthetic control arm; single-arm trial; real-world evidence; regulatory approval; data; clinical; decision-making; efficacy; rare conditions; trial", issn="1438-8871", doi="10.2196/43484", url="https://www.jmir.org/2023/1/e43484", url="https://doi.org/10.2196/43484", url="http://www.ncbi.nlm.nih.gov/pubmed/37018021" }