TY - JOUR T1 - Comments on R.C. Guimarães' 'The systemic concept of the gene at age fifteen' JO - Genetics and Molecular Biology A1 - El-Hani, Charbel Niño SN - 1415-4757 UL - 10.1590/S1415-47572007000400034 VL - 30 Y1 - 2007 PB - Brasil ER -