The impact of selection bias on measurement of noninvasive test accuracy
Salerno, David M. ; Wang, Kyuhyun ; Goldenberg, Irvin F. ; Van Tassel, Robert A.
The American journal of cardiology, 1993-07, Vol.72 (2), p.223-225 [Periódico revisado por pares]New York, NY: Elsevier Inc
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