Preservation potential of keratin in deep time Schweitzer, Mary Higby ; Zheng, Wenxia ; Moyer, Alison E. ; Sjövall, Peter ; Lindgren, Johan Abstract Publication: PLoS ONE Pub Date: November 2018 DOI: 10.1371/journal.pone.0206569 Bibcode: 2018PLoSO..1306569S