| http://www.w3.org/ns/prov#value | - Diabetic and venous ulcers also exhibit abnormalities of growth factor expression,88,89 with some growth factors showing increased expression but not increased functional outcomes (e.g., increased VEGF without increased angiogenesis).90 In venous ulcers, growth factors such as TGF-?? may also be trapped or scavenged by extravasated plasma proteins.91 These disruptions preclude the progression of E
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