pieces of stuff. >> you said there weren't too many severe head injuries. does that indicate anything about where the bomb was placed? >> i suppose it does to people who are experts at that. as you can tell, we have a lot of lower extremity injuries, so i think the damage was low to the ground and wasn't up. but now the patients who do have head injuries were blown into things probably or hit by fragments that went up. so hardton. >> patients have to undergo multiple surgeries, do you feel confidence you will be able to release them. but will it go from one hospital to rehab? >> generally, true for all trauma patients in general. we do the acute care part of their needs. deal with their wounds and orthopedic in all various injuries, and at some point who those things are stabilized, the next very important thing is to get them to rehab.