TY - RPRT TI - Universal trees based on large combined protein sequence data sets. AU - J R Brown AU - C J Douady AU - M J Italia AU - W E Marshall AU - M J Stanhope PY - 2001 DO - 10.1038/90129 UR - https://pubmed.ncbi.nlm.nih.gov/11431701/ ID - 11431701 ER -