| Literature DB >> 2642371 |
Abstract
Entities:
Keywords: Biomedical and Behavioral Research; Health Care and Public Health
Mesh:
Substances:
Year: 1989 PMID: 2642371 PMCID: PMC1349480 DOI: 10.2105/ajph.79.1.86
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308