Paek R, Chang DS, Brevetti LS, Rollins MD, Brady S, Ursell PC, Hunt TK, Sarkar R, Messina LM. Correlation of a simple direct measurement of muscle pO(2) to a clinical ischemia index and histology in a rat model of chronic severe hindlimb ischemia. J Vasc Surg. 2002 Jul; 36(1):172-9.