 And the first time I was introduced to this whole program when I as a young surgeon , was asked to do serial <unk> on their <unk> to see what the effect of the virus was in the production of the changes in the liver . And in that way , I got to know that a lot of these young men had no idea that the risk they were taking also included death . And some of those youngsters did die and it was a very difficult thing for me to be part of , because you know , you ’ re powerless , when you ’ re part of the big team . 
