Figure 2From: Expression of matrix metalloproteinases 1, 3, and 9 in degenerated long head biceps tendon in the presence of rotator cuff tears: an immunohistological study (a-b): Mean values for percentage of MMP 1 (a) and MMP 9 (b) expression in articular-sided (A) and bursal-sided (B) partial thickness rotator cuff tears grade Ellman I and II.Back to article page