| Literature DB >> 4415420 |
E F Ring, A J Collins, P A Bacon, J A Cosh.
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Year: 1974 PMID: 4415420 PMCID: PMC1006270 DOI: 10.1136/ard.33.4.353
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103