http://www.articleheaven.net en-us editorial@articlealley.com A stage three ulcer is full thickness skin loss concerning damage to or necrosis of subcutaneous tissue. A stage 4 ulcer is full thickness skin loss with in depth eradication, tissue necrosis, or damage to muscle or bone. A correct evaluation of the possi... http://www.articleheaven.net/an-appreciation-of-the-task-of-nourishment-in-their-prevention-and-management-1955915.html 14th January 2011