B Krasnicka

Predictors of graft patency 3 years after coronary artery bypass graft surgery. Department of Veterans Affairs Cooperative Study Group No. 297.

Thomas E. Moritz, J. Copeland, W. Henderson, 1997, Journal of the American College of Cardiology.

Comparison of Surgical Outcomes Between Teaching and Nonteaching Hospitals in the Department of Veterans Affairs

J Gibbs, W G Henderson, L. Neumayer, 2001, Annals of surgery.