| Literature DB >> 4995345 |
J L Penfold, G M Kneebone, M Wellby, R K Oldfield.
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Year: 1971 PMID: 4995345 PMCID: PMC1647577 DOI: 10.1136/adc.46.245.115
Source DB: PubMed Journal: Arch Dis Child ISSN: 0003-9888 Impact factor: 3.791