"Remember, this operation only works if you do exactly as you're told," the doctor said.

Like much of the Plan 9 operating system, many operations work by reading and writing to special files.

But by and large, officials at the center think they operation worked successfully.

But there was a 17 percent mortality rate and no good evidence that the operation worked.

It'll give me an idea of how the operation works.

And there were places, of course, where the operation wouldn't work.

The team later discovered the operation worked best in older children.

Whether this operation would have worked is a matter of academic debate.

They are the accounts of exactly how that operation worked from the ground level.

I can easily provide references for text books, if you are more interested in how these operations actually work.