Results of this placebo-controlled study indicated that low-intensity continuous microwave radiation administered over a period of 7 days was effective in treating post-operative purulent wounds associated with abdominal surgery.

N.N. Korpan T. Saradeth, Clinical Effects of Continous Microwave for Postoperative Septic Wound Treatment: A Double-Blind Controlled Trial, American Journal of Surgery, 170(3), 1995, p. 271-276.