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In many experimental circumstances, heart dynamics are, to a good approximation, periodic. For this reason, it makes sense to use high-resolution methods in the frequency domain to visualize the spectrum of imaging data of the heart and to estimate the deterministic signal content and extract the periodic signal from background noise in experimental data.(More)
Because of the historic economic crisis, the past 18 months--2008 and the first half of 2009--have been challenging for many plastic surgery practices. Prior to the economic crisis in 2008, many practices enjoyed success with little synchronization between financial and productivity results, practice goals, and strategic planning. Now, suddenly, there is a(More)
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