00253nam a2200109Ia 4500008004100000020001500041041000800056100002000064245002100084260003000105300000800135211209s2006    xx            000 0 und d  a0132016362  aeng  aLEWIN, BENJAMIN  aESSENTIAL GENES   aNEW JERSEYbPEARSONc2006  a594