>> sure. >> okay. i was on the ground, i was on my knees and doing this, and i hit my head on the back and here. >> there you go. >> reporter: but it's not only children and not only victims the comfort dogs visit. many of the doctors and nurses want to see them too. courtney, who broke her arm before the tornado, said she got to visit with two comfort dogs. ruthie and lila. lila is only 9 months old. she's a puppy, she's the same size as ruthie. isn't that amazing? >> i think she was a little smaller. >> reporter: she's still small but bigger than you. >> true. if she was on two legs. >> reporter: maybe next time she can come standing on two legs and walk through the door. comfort dogs have comforted courtney and plenty of other victims in this hospital. >> i like doggies. >> reporter: a canine mission accomplished. gary tuchman, cnn, oklahoma city.