| Literature DB >> 6790070 |
G Procaccianti, P Martinelli, A Baruzzi, P Pazzaglia, E Lugarezi.
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Year: 1981 PMID: 6790070 PMCID: PMC1507957 DOI: 10.1136/bmj.283.6290.558-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623