| Literature DB >> 7363021 |
C Ponticelli, E Imbasciati, N Case, P Zucchelli, L Cagnoli, S Pasquali.
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Year: 1980 PMID: 7363021 PMCID: PMC1600822 DOI: 10.1136/bmj.280.6215.685
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447