RT Journal A1 Bork, Peer T1 Powers and Pitfalls in Sequence Analysis: The 70% Hurdle JF Genome Research JO Genome Research YR 2000 FD April 01 VO 10 IS 4 SP 398 OP 400 DO 10.1101/gr.10.4.398 UL http://genome.cshlp.org/content/10/4/398.short