Acute or chronic wounds are common clinical problems.Collagen,with advantages including rich sources,impeccable biocompatibility,and inherent biodegradability,has been widely used in fundamental research and clinical treatment of wound repair with broad prospects of clinical applications.This article provided a brief overview of the role of collagen in various biological processes related to wound healing and also outlined the sources of collagen.Furthermore,the article summarized the application and recent research advancements of collagen-based wound dressings in the field of wound repair.
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