VarySysDB: a human genetic polymorphism database based on all H-InvDB transcripts. - Makoto K. Shimada; Ryuzou Matsumoto; Yosuke Hayakawa; Ryoko Sanbonmatsu; Craig Gough; Yumi Yamaguchi-Kabata; Chisato Yamasaki; Tadashi Imanishi; Takashi Gojobori (Nucleic Acids Res., 2009)