http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Tissue implants made of cells grown on a sponge-like scaffold have been shown in clinical trials to help heal arteries scarred by atherosclerosis and other vascular diseases. However, it has been unclear why some implants work better than others. http://medicalxpress.com/news/2012-08-success-tissue-grown.html Medical research Tue, 14 Aug 2012 11:15:04 EST news264161564