Sangtae Kim Seungjin Na Ji Woong Sim Heejin Park Jaeho Jeong Hokeun Kim Younghwan Seo Jawon Seo Kong-Joo Lee Eunok Paek MOD<i><sup>i</sup></i> : a powerful and convenient web server for identifying multiple post-translational peptide modifications from tandem mass spectra. 258-263 2006 34 Nucleic Acids Research Web-Server-Issue http://dx.doi.org/10.1093/nar/gkl245 db/journals/nar/nar34.html#KimNSPJKSSLP06