Pregunta
It is a powerful and primitive human emotion essential for survival buy cheap generic cialis online In one embodiment, the invention provides a substantially spherical microsphere suitable for embolization and or drug delivery, said microsphere comprising a a biocompatible polymeric material comprising PVA, and b a non ionic contrast agent; wherein the microsphere is swellable, for example, in a pharmaceutically acceptable solution and has a diameter of from about 10 Ојm to about 1000 Ојm before swelling
