| Literature DB >> 6779892 |
J N Katchaki, T H Siem, R Brouwer, A M van Loon, J T van der Logt.
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Year: 1981 PMID: 6779892 PMCID: PMC1503925 DOI: 10.1136/bmj.282.6258.107
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623