The MIPS mammalian protein?Cprotein interaction database. - Philipp Pagel; Stefan Kovac; Matthias Oesterheld; Barbara Brauner; Irmtraud Dunger-Kaltenbach; Goar Frishman; Corinna Montrone; Pekka Mark; Volker Stümpflen; Hans-Werner Mewes; Andreas Ruepp; Dmitrij Frishman (Bioinform., 2005)