S de Lusignan, A Brown. Show Affiliations »
Abstract
Mesh: See more » Internet/statistics & numerical dataInternet/supply & distributionUnited Kingdom
Year: 1998 PMID: 9804734 PMCID: PMC1114218 DOI: 10.1136/bmj.317.7168.1319
Source DB: PubMed Journal: BMJ ISSN: 0959-8138