| Literature DB >> 20337735 |
J Michael McWilliams1, Ellen Meara, Alan M Zaslavsky, John Z Ayanian.
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Year: 2010 PMID: 20337735 PMCID: PMC2965513 DOI: 10.1111/j.1475-6773.2010.01085.x
Source DB: PubMed Journal: Health Serv Res ISSN: 0017-9124 Impact factor: 3.402