dr. martin rothbod of united therapeutics to find out more about the company's prospects.oney." good to see you. we've had one other company like this. i just want to gave little bit of background. your company basically started as a mother's race for the cure. >> that's true. that's true. our youngest daughter developed pulmonary hypertension. there were no medicines approved for it from the fda. she was going to die within three to five years. fortunately today she's 30 years old, sheath healthy and our medicines are helping thousands of other young ladies too. >> that's an amazing story. it wasn't like you were a biologist, you had worked at sirius satellite. irwas head of sirius xm satellite communications. but when your youngest daughter gets this kind of a diagnosis, i was going to stop everything i did and save her. >> now there was something on the market but at the time it seemed like it was worse than the actual disease in terms of how debilitate your daughter. >> the drug had been approved you had toin fuse it into your blood vest tells 24 hours a day 365 days a