http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Propensity-score adjusted estimates for selected health outcomes from the Research and Development Survey
National Center for Health Statistics (U.S.)
1 online resource (iii, 13 pages) : one color illustration.
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (page 9-10).