| Literature DB >> 4637169 |
J M Martinez, J Guardia, J Vilaseca, E Buendia, J Civil, R Bacardi.
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Year: 1972 PMID: 4637169 PMCID: PMC1786684 DOI: 10.1136/bmj.4.5837.427-b
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447