| Literature DB >> 12948973 |
Kenneth E Powell1, Linda M Martin, Pranesh P Chowdhury.
Abstract
Mesh:
Year: 2003 PMID: 12948973 PMCID: PMC1448003 DOI: 10.2105/ajph.93.9.1519
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308