From the University of Texas Southwestern Medical Center, Dallas, Texas, the Augusta Regional Medical Center, Augusta, Ga., Shrincrs Burn Institute, Galvcston, Texas, The Western Pennsylvania Hospital, Pittsburgh, Pa., Maricopa Medical Center, Phoenix, Ariz., UCSD Medical Center, San Diego, Calif, University of Tennessee Medical Group, Memphis, Tcnn., the University of Virginia Health Sciences Center, Charlottcsville, Va., the University of Iowa Burn Treatment Center, Iowa City, Iowa, Hcnnepin County Medical Center, Minneapolis, Minn., U.C. Davis Medical Center, Sacramento, Calif, St. Paul-Ramsey Medical Center, St. Paul, Minn., and Advanced Tissue Sciences, Inc., La Jotla, Calif. Funded by clinical research grants to each institution from Advanced Tissue Sciences, Inc.