00456    a2200157   4500020001500000082001900015100002200034245004300056250001200099260004000111300002000151650003200171650004800203650002100251700002600272  a0198552912  a612.01524bHAL  aHalliwell, Barry   aFree radicals on biology and medicine   a2nd ed.  aOxfordbClarendon Pressc1985g1989  axvi,543p.c23cm  aBiophysics and biochemistry  aEducation research, nursing, related topics  aHuman physiology  aGutteridge, John M.C.