Analysis of Sequence Conservation at Nucleotide Resolution Asthana, Saurabh ; Roytberg, Mikhail ; Stamatoyannopoulos, John ; Sunyaev, Shamil Abstract Publication: PLoS Computational Biology Pub Date: 2007 DOI: 10.1371/journal.pcbi.0030254 Bibcode: 2007PLSCB...3..254A