| Literature DB >> 6797541 |
L Capretti, G Speroni, M Girone, C Coscelli, U Butturini, G Rocca.
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Year: 1981 PMID: 6797541 PMCID: PMC1507804 DOI: 10.1136/bmj.283.6303.1361
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623