Figure 2: Healing of the unhealed wound (2nd one shown in Figure 1) treated with 0.04% (w/w) rhEGF. Day 0 to Day 60 stand for the stages of healing of the wound at various times: Day 0 (before treatment); Day 2 to Day 10 (treatment with rhEGF for 2-10 d). The treatment was stopped after Day 10; Day 16 and Day 60 reveal the progress of healing of the wound on Day 16 and Day 60, respectively. Slough symptoms in the wound are indicated.