A P Fletcher. Show Affiliations »
Abstract
Mesh: See more » Cohort StudiesHumansProduct Surveillance, Postmarketing/standards
Year: 1992 PMID: 1392849 PMCID: PMC1882685 DOI: 10.1136/bmj.305.6847.257-a
Source DB: PubMed Journal: BMJ ISSN: 0959-8138