Wakefield TW, Pierson CL, Schaberg DR, Messina LM, Lindenauer SM, Greenfield LJ, Zelenock GB, Stanley JC. Artery, periarterial adipose tissue, and blood microbiology during vascular reconstructive surgery: perioperative and early postoperative observations. J Vasc Surg. 1990 May; 11(5):624-8.