| Literature DB >> 10132083 |
N Freemantle1, F Song, T A Sheldon, P Watson, J M Mason, A F Long.
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Year: 1993 PMID: 10132083 PMCID: PMC1055065 DOI: 10.1136/qshc.2.1.58
Source DB: PubMed Journal: Qual Health Care ISSN: 0963-8172