N Black. Show Affiliations »
Abstract
Mesh: See more » HumansState MedicineUnited KingdomVoluntary Health Agencies
Year: 1988 PMID: 3122965 PMCID: PMC2544697 DOI: 10.1136/bmj.296.6615.82
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623