| Literature DB >> 9431303 |
Abstract
Keywords: Biomedical and Behavioral Research; Health Care and Public Health
Mesh:
Year: 1997 PMID: 9431303 PMCID: PMC1381256 DOI: 10.2105/ajph.87.12.2049
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308