| Literature DB >> 5954313 |
H A Valkenburg, J Ball, T A Burch, P H Bennett, J S Lawrence.
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Year: 1966 PMID: 5954313 PMCID: PMC2453442 DOI: 10.1136/ard.25.6.497
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103