| Literature DB >> 367512 |
R M Sandler, C Emberson, G E Roberts, D Voak, J Darnborough, A F Heeley.
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Year: 1978 PMID: 367512 PMCID: PMC1608958 DOI: 10.1136/bmj.2.6153.1683
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447