2569318 DBFs deciduous broadleaf forests 2 2569316 DBFs DNA binding factors 2 2569319 DBFs dedicated bio firms 1 2569320 DBFs dedicated biotechnology firms 1 2569317 DBFs Dehydration responsive element-binding factors 1 2569321 DBFs dense biological flocs 1 2569313 DBFs developing-brain factors 1 2569314 DBFs dicyanobenzofulvenes 1 2569315 DBFs diffusion basis functions 1