| Literature DB >> 2445410 |
A Antonelli1, P Del Guerra, A Fierabracci, E Gori, L Baschieri.
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Year: 1987 PMID: 2445410 PMCID: PMC1248008 DOI: 10.1136/bmj.295.6604.961
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623