Up-regulation of MMP−2 and MMP−9 leads to degradation of type IV collagen during skeletal muscle reperfusion injury; protection by the MMP inhibitor, doxycycline - Roach, D M; Fitridge, R A; Laws, P E; Millard, S H; Varelias, A; Cowled, P A (Eur J Vasc Endovasc Surg, 2002)