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For instance, some tripeptides promote fibroblast activity and collagen deposition [59, 61-64], while others enhance angiogenesis and modulate inflammation to accelerate tissue regeneration [58, 60, 65, 66]
With no head-to-head study, comparing the two requires stitching together trials that differ in population, comparator, endpoint, and duration a chain with several weak links
Cell Tissue Res 377, 153159 (2019)
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