00497nam a2200133Ia 4500008004100000082002300041100003300064245008200097260004600179300000800225942000700233952010600240999001700346140113s9999    xx            000 0 und d  a574.6:546.815   L2  aNational Academy of Sciences  aLead-Airborne lead in perspective-Biologic effects of Atmospheric  Pollutants  a1972bNational Academy of SciencecU.S.A.  a330  cBK  00104070aVTLbVTLd2014-01-13l0o574.6:546.815   L2pVBK1230r2014-01-13 00:00:00w2014-01-13yBK  c57908d57908