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Reducing bias in a propensity score matched-pair sample using greedy matching techniques

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Neuronal and adrenomedullary catecholamine release in response to cardiopulmonary bypass in man.

J. G. Rêves, Robert B. Karp, E E Buttner et al. · Circulation · 1982 · 270 citations

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Clinical outcome after cardiac operations in patients with cirrhosis

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