| Literature DB >> 1954424 |
G Tognoni1, C Alli, F Avanzini, G Bettelli, F Colombo, R Corso, R Marchioli, A Zussino.
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Year: 1991 PMID: 1954424 PMCID: PMC1671349 DOI: 10.1136/bmj.303.6808.969
Source DB: PubMed Journal: BMJ ISSN: 0959-8138