| Literature DB >> 7633263 |
E Perez-Trallero, J L Diaz de Tuesta, C Gutierrez, L Gaztelorrutia.
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Year: 1995 PMID: 7633263 PMCID: PMC2550392 DOI: 10.1136/bmj.311.7000.330c
Source DB: PubMed Journal: BMJ ISSN: 0959-8138