Yin-Te Tsai Yen Pin Huang Ching Ta Yu Chin Lung Lu MuSiC: a tool for multiple sequence alignment with constraints. 2309-2311 2004 20 Bioinformatics 14 http://dx.doi.org/10.1093/bioinformatics/bth220 db/journals/bioinformatics/bioinformatics20.html#TsaiHYL04