Effects of PEG-based ointments on wound healing and animal health. (A) Representative wound healing images following 0, 3, 7, and 14 days of treatment with PEG-based ointments containing vehicle, 2% mupirocin, 1% neomycin, or the combination of 2% mupirocin plus 1% neomycin. (B) Average measures (n = 3) of wound contraction under the same conditions as in panel A. (C) Average body weight of animals (y axis) at the indicated day (x axis) after lesion formation and treatment with PEG-based ointment supplemented with the indicated agent.