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%\section{These problems were tackled at HealthHack 2013}  \subsection{A good visualisation tool for literature research!} research}  A fundamental task in biomedical research and clinical practice is to browse the existing literature. One group developed a simple online tool which visually displays the results of a literature search in a manner that takes into account both the ranking of the references as well as their similarity to one another. Such a tool would enable researchers and clinicians to more efficiently browse the literature to not only find relevant articles but also gain an overview of a given research field. 
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