Bracco, Princeton, NJ, offers MultiHance?, a paramagnetic positive contrast agent for MRI. MultiHance features a weak and highly reversible protein interaction that increases relaxivity, providing high efficiency in central nervous system imaging. The company recently received an approvable letter from the US Food and Drug Administration (FDA) for MultiHance, which is already approved for use in Europe. The company is working with the FDA to receive full market approval for MultiHance. (800) 631-5245; .