Media type: E-Article Title: Refinements of a methodology for detecting married couples in the medicare data Contributor: Iwashyna, Theodore J.; Zhang, James X.; Lauderdale, Diane S.; Christakis, Nicholas A. imprint: Duke University Press, 2000 Published in: Demography Language: English DOI: 10.2307/2648127 ISSN: 0070-3370; 1533-7790 Keywords: Demography Origination: Footnote: