| Literature DB >> 3926047 |
L Savioli, A de Felici, M Grazia Paglia, G Visco.
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Year: 1985 PMID: 3926047 PMCID: PMC1416142 DOI: 10.1136/bmj.291.6487.23-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623