brain versus the arm and it's easier it's a bigger target it's a little safer to go into the leg than the arm but if the leg is all blocked up you can go into the arm years ago when they first started to do this they went through the neck that didn't go so well up right I'm interested in you mentioned there are those discrete situations that they would be used in or shouldn't many coumadin people be thinking about going on to those and secondly do the hospitals in our area generally yeah so the question about these new