NEWS
December 19, 1985 | DAVID ZINMAN, Newsday
Major discoveries in medical science are the most elusive of events. Magical advances like penicillin and the Salk polio vaccine do appear. But, in fact, the so-called breakthrough is rare. No subject is a better example of the deliberate pace of medical research than spinal-cord injury, once considered a dead end for researchers. For years, doctors believed that damaged nerves in the spinal cord never grew back.