Expanding the TRANSFAC database towards an expert system of regulatory molecular mechanisms.
T. HeinemeyerXin ChenHolger KarasAlexander E. KelOlga V. Kel-MargoulisInes LiebichT. MeinhardtIngmar ReuterFrank SchachererEdgar WingenderPublished in: Nucleic Acids Res. (1999)