What Is Coma?
Internet URL
http://www.comarecovery.org/whatiscoma.shtm 
Sponsoring Agency
Coma Recovery Association, Inc.
Description
Coma is a state of brain function. The human brain performs at different levels of consciousness. Each level does not have distinct boundaries, but rather, at one end blends into the level above it and at the other, blends into the level below it.