We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAggregating and Partitioning Populations in Health Care Disparities Research: Differences in PerspectiveAuthorsAsch, David A.; Armstrong, KatrinaPublicationJournal of Clinical Oncology, 2007, Vol 25, Issue 15, p2117ISSN0732-183xPublication typearticleDOI10.1200/jco.2006.09.3336