| Literature DB >> 8069141 |
F Violi1, D Ferro, S Basili, A D'Angelo, G Mazzola, C Quintarelli, C Cordova.
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Year: 1994 PMID: 8069141 PMCID: PMC2540757 DOI: 10.1136/bmj.309.6949.239
Source DB: PubMed Journal: BMJ ISSN: 0959-8138