| Literature DB >> 8296963 |
B A Hong, D F Kappel, M Whitlock, T Parks-Thomas, B Freedman.
Abstract
Mesh:
Year: 1994 PMID: 8296963 PMCID: PMC1615005 DOI: 10.2105/ajph.84.2.314
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308