Yes,
maggot therapy really does clean and help heal chronic wounds. Check out the following articles, describing some of its uses:
Vistnes LM, et al. Proteolytic activity of blowfly larvae secretions in experimental burns. Surgery. 90: 835, 1981.
Pechter, E.A., and Sherman, R.A.: Maggot therapy: The Medical Metamorphosis. Plastic and
Reconstructive Surgery. 72 (4): 567-570. 1983.
Teich S, Myers, RAM. Maggot therapy for severe skin infections. Southern Medical Journal. 79: 1153, 1986.
Reames MK, et al. The use of maggots in wound debridement. Annals of
Plastic Surgery. 21: 388, 1988.
Sherman, RA, Wyle, F, Vulpe, M: Maggot Debridement Therapy for treating
pressure ulcers in
spinal cord injury patients. Journal of Spinal Cord Medicine, 18(2): 71-74. 1995.
Sherman RA, Tran J, Sullivan R: Maggot Therapy for treating Venous Stasis Ulcers. Archives of Dermatology. 132: 254-256. 1996.
Sherman RA: Maggot Therapy in Modern Medicine. Infections in Medicine.