TRANSPATH®: an information resource for storing and visualizing signaling pathways and their pathological aberrations. - Mathias Krull; Susanne Pistor; Nico Voss; Alexander E. Kel; Ingmar Reuter; Deborah Kronenberg; Holger Michael; Knut Schwarzer; Anatolij Potapov; Claudia Choi; Olga V. Kel-Margoulis; Edgar Wingender (Nucleic Acids Res., 2006)