Tianhua Niu Zhenjun Hu SNPicker: a graphical tool for primer picking in designing mutagenic endonuclease restriction assays. 3263-3265 2004 20 Bioinformatics 17 http://dx.doi.org/10.1093/bioinformatics/bth360 db/journals/bioinformatics/bioinformatics20.html#NiuH04