Protein sequences from mastodon and Tyrannosaurus rex revealed by mass spectrometry
Science (2007) - Comments
pubmed: 17431180  doi: 10.1126/science.1137614  issn: 1095-9203  issn: 0036-8075 

John M. Asara, Mary H. Schweitzer, Lisa M. Freimark, Matthew Phillips, Lewis C. Cantley