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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Comput Struct. 2014 Sep 1;143:32–39. doi: 10.1016/j.compstruc.2014.07.004

Fig. 2.

Fig. 2

Direct advancement flap. The skin is cut along the base of the expander in the direction of advancement. The damaged tissue is removed and the flap is advanced to cover the excised area. The lateral sides of the grown skin cannot be used and are are discarded.