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Biological therapies for wound healing. Biologics are designed to stimulate or restore the body's natural wound-healing abilities. The majority of emerging products fall under the following categories: biological skin equivalents, growth factors, and stem cell-based therapies. Reprinted with permission from Rennert et al.29 To see this illustration in color, the reader is referred to the web version of this article at www.liebertpub.com/wound
