HOWDY: an integrated database system for human genome research. - Mika Hirakawa (Nucleic Acids Res., 2002)

JSNP: a database of common gene variations in the Japanese population. - Mika Hirakawa; Toshihiro Tanaka; Yoichi Hashimoto; Masako Kuroda; Toshihisa Takagi; Yusuke Nakamura (Nucleic Acids Res., 2002)

From genomics to chemical genomics: new developments in KEGG. - Minoru Kanehisa; Susumu Goto; Masahiro Hattori; Kiyoko F. Aoki-Kinoshita; Masumi Itoh; Shuichi Kawashima; Toshiaki Katayama; Michihiro Araki; Mika Hirakawa (Nucleic Acids Res., 2006)

KEGG for linking genomes to life and the environment. - Minoru Kanehisa; Michihiro Araki; Susumu Goto; Masahiro Hattori; Mika Hirakawa; Masumi Itoh; Toshiaki Katayama; Shuichi Kawashima; Shujiro Okuda; Toshiaki Tokimatsu; Yoshihiro Yamanishi (Nucleic Acids Res., 2008)

KEGG for representation and analysis of molecular networks involving diseases and drugs. - Minoru Kanehisa; Susumu Goto; Miho Furumichi; Mao Tanabe; Mika Hirakawa (Nucleic Acids Res., 2010)