| Literature DB >> 5086516 |
D N Challacombe, M J MacCulloch, C J Birtles.
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Year: 1972 PMID: 5086516 PMCID: PMC1648247 DOI: 10.1136/adc.47.255.823
Source DB: PubMed Journal: Arch Dis Child ISSN: 0003-9888 Impact factor: 3.791