| Literature DB >> 11260944 |
S Heffler, K Levit, S Smith, C Smith, C Cowan, H Lazenby, M Freeland.
Abstract
Mesh:
Year: 2001 PMID: 11260944 DOI: 10.1377/hlthaff.20.2.193
Source DB: PubMed Journal: Health Aff (Millwood) ISSN: 0278-2715 Impact factor: 6.301