eMedicine- Necrotizing Enterocolitis 
Article by Shelley C Springer, MD, on this disorder that mainly affects premature babies.
http://www.emedicine.com/ped/topic2601.htmMedlinePlus 
Diagnosis and treatment of necrotizing enterocolitis.
http://www.nlm.nih.gov/medlineplus/ency/article/001148.htm
Texas Pediatric Surgical Associates - Necrotizing Enterocolitis 
Provides definition, probable causes, signs and symptoms and management, with a special note for parents.
http://www.pedisurg.com/PtEduc/NEC.htm