| Literature DB >> 5356972 |
L J Butler, G J Snodgrass, N E France, A Russell, V A Swain.
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Year: 1969 PMID: 5356972 PMCID: PMC2020340 DOI: 10.1136/adc.44.238.666
Source DB: PubMed Journal: Arch Dis Child ISSN: 0003-9888 Impact factor: 3.791