That's part of the dilemma. This is a real limitation for a lot of patients.
I mean, there have been studies now such that if somebody comes into my office and they have a rest tremor, and they have stiffness and slowness, I'm right 95% of the time. If somebody comes into my office and they only have some stiffness, and they only have some slowness, and they don't have a tremor, and it's symmetric, and they have a couple of other things going on, my diagnostic rate could go down to as low as 70%.
So 30% of people are not--