NEW : Surgeons implanted a piece of synthetic bone and also a shunt in U.S. Rep. Gabrielle Giffords ' skull . Dr. Girard Francisco , who is in charge of Giffords ' rehabilitation , said that the congresswoman will undergo bedside rehab for at least the next two days before returning to the in-patient program at the TIRR Memorial Hermann Rehabilitation Center in Houston . NEW : A team at the University of California San Francisco has developed an artificial kidney that can be used to treat patients with renal failure, which is caused by high blood pressure or diabetes. Giffords was shot in January in Tucson , Arizona . Doctors call her progress 'almost miraculous '
NEW : Surgeons implanted a piece of synthetic bone and also a shunt in U.S. Rep. Gabrielle Giffords ' skull . NEW : A team at the University of California San Francisco has developed an artificial kidney that can be used to treat patients with renal failure, which is caused by high blood pressure or diabetes. Giffords was shot in January in Tucson , Arizona . Doctors call her progress 'almost miraculous '