Straight from the heart

Gregg Stone, a doctor from the United States, is eager to explore and promote China's medical advances, Liu Xiangrui reports.

Gregg Stone, a cardiologist from the United States, has been working along with his Chinese peers to help people with heart diseases in China.

Stone, 60, is a professor of medicine at Columbia University College of Physicians and Surgeons, and serves as the director of cardiovascular research and education at the Center for Interventional Vascular Therapy at New York-Presbyterian Hospital.