V. Chong

The Department of Veterans Affairs' NSQIP: the first national, validated, outcome-based, risk-adjusted, and peer-controlled program for the measurement and enhancement of the quality of surgical care. National VA Surgical Quality Improvement Program.

F. Grover, K. Hammermeister, W. Henderson, 1998, Annals of surgery.

Relation of surgical volume to outcome in eight common operations: results from the VA National Surgical Quality Improvement Program.

R. Bell, F. Grover, K. Hammermeister, 1999, Annals of surgery.