Sample size calculations: basic principles and common pitfalls
M. Noordzij(Amsterdam UMC Location University of Amsterdam), Kitty J. Jager(Amsterdam University Medical Centers), Giovanni Tripepi(National Research Council), Michael W.T. Tanck(Amsterdam UMC Location University of Amsterdam), Carmine Zoccali(Biogem), Friedo W. Dekker(Leiden University Medical Center)
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