| Literature DB >> 4642799 |
J Linde, J M Hansen, K Siersbaek-Nielsen, V Fuglsang-Frederiksen.
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Year: 1972 PMID: 4642799 PMCID: PMC1788718 DOI: 10.1136/bmj.4.5839.547
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447