Nature. 410(6832):1047-1048, APRIL 26TH, 2001 PMID: 11323659 Issn Print: 0028-0836 Publication Date: April 26th, 2001 Print Human immunodeficiency virus: Phylogeny and the origin of HIV-1 Andrew Rambaut;David Robertson;Oliver Pybus;Martine Peeters;Edward Holmes; + Author Information *Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UKe-mail: edward.holmes@zoo.ox.ac.uk†Laboratoire Retrovirus, IRD, BP 5045, 34032 Montpellier Cedex1, France Checking for direct PDF access through Ovid Abstract Abstract unavailable for this article.