1.   Backers claim the pictures offer doctors a unique early-stage diagnostic window on blocked arteries and other coronary problems.

2.   He was born with a blocked artery to his lungs and although surgeons tried to by pass the problem, his lungs deteriorated.

3.   Because blood clots also contribute to blocked arteries, all patients were also given a baby aspirin a day to reduce clots.

4.   Bowman has been diagnosed with high blood pressure and diabetes and recently underwent an angioplasty to help clear a blocked artery.

5.   A biotechnology drug widely used to clear blocked arteries in heart-attack victims has been shown to be the first effective treatment for strokes.

6.   A new company has been formed to pursue a gene therapy that could form new blood vessels and heal ulcers in patients with blocked arteries.

7.   A vein from his left leg was transplanted into the right, bypassing the blocked artery and restoring circulation in the lower leg.

8.   All this is supposed to protect against blocked arteries, doctors say.

9.   But researchers here and in Europe have also been studying ultrasound to open blocked arteries.