| Literature DB >> 15231625 |
Godfrey P Oakley1, Richard B Johnston.
Abstract
Keywords: Health Care and Public Health
Mesh:
Substances:
Year: 2004 PMID: 15231625 PMCID: PMC443455 DOI: 10.1136/bmj.329.7456.41
Source DB: PubMed Journal: BMJ ISSN: 0959-8138