TY - JOUR T1 - Between the cross and the sword: the crisis of the gene concept JO - Genetics and Molecular Biology A1 - El-Hani, Charbel NiƱo SN - 1415-4757 UL - 10.1590/S1415-47572007000300001 VL - 30 Y1 - 2007 PB - Brazil ER -