| Literature DB >> 1398453 |
H H Goldman, J P Morrissey, M S Ridgely, R G Frank, S J Newman, C Kennedy.
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Year: 1992 PMID: 1398453 DOI: 10.1377/hlthaff.11.3.51
Source DB: PubMed Journal: Health Aff (Millwood) ISSN: 0278-2715 Impact factor: 6.301