| Literature DB >> 6155971 |
D H Smith, R H Picker, D M Saunders, M Sinosich, J G Grudzinskas.
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Year: 1980 PMID: 6155971 PMCID: PMC1601488 DOI: 10.1136/bmj.280.6225.1213
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447