Temporal Patterns of Nucleotide Misincorporations and DNA Fragmentation in Ancient DNA Sawyer, Susanna ; Krause, Johannes ; Guschanski, Katerina ; Savolainen, Vincent ; Pääbo, Svante Abstract Publication: PLoS ONE Pub Date: March 2012 DOI: 10.1371/journal.pone.0034131 Bibcode: 2012PLoSO...734131S