Reference: 
 author: Bernhard Y. Renard abd Wiebke Timm and Marc Kirchner and Judith A. J. Steen and Fred A. Hamprecht and Hanno Steen
 title: Estimating the Confidence of Peptide Identifications without Decoy Databases
 journal: Analytical Chemistry
 year: 2010
 volume: 82
 number: 11
 pages: 4314-4318
 doi: 10.1021/ac902892j
 URL: http://pubs.acs.org/doi/abs/10.1021/ac902892j
 eprint: http://pubs.acs.org/doi/pdfplus/10.1021/ac902892j
