11.   One called astragalus, however, has shown promise in restoring function to compromised immune cells taken from cancer patients, says Colorado ethnobotanist Robert McCaleb.

12.   Only about half of the patients treated with it will have normal liver function restored after six months.

13.   Such surgery is usually done to stabilize bone fragments but will not restore neurological function.

14.   The severed ends do not grow back together, or sprout new fibers that can restore missing functions.

15.   Those cells, in theory, would then repair her damaged brain circuitry and eventually restore function on her left side.

16.   Vasodilators like Viagra may restore physical function, but they cannot give a woman a sex drive.

17.   When drugs no longer work, doctors sometimes turn to surgery in hope of restoring heart function.

18.   Woolf said he is confident that scientists will eventually be able to restore some function to patients with spine injuries.

19.   In the previous breakdowns, it took hours to partially restore the computer system, and several days to fully restore all functions.

20.   In the previous breakdowns, it took hours to bring the computer system back on line, and several days to fully restore all functions.