(Q74520920)
Statements
Volume-outcome relationships in cardiovascular operations: New York State, 1990-1995 (English)
J A Sollano
A C Gelijns
A J Moskowitz
D F Heitjan
S Cullinane
T Saha
J M Chen
P J Roohan
K Reemtsma
419-28; discussion 428-30
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