| Literature DB >> 7950725 |
M Farrell1, J Ward, R Mattick, W Hall, G V Stimson, D des Jarlais, M Gossop, J Strang.
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Year: 1994 PMID: 7950725 PMCID: PMC2541312 DOI: 10.1136/bmj.309.6960.997
Source DB: PubMed Journal: BMJ ISSN: 0959-8138