| Literature DB >> 5569437 |
R Cockel, M J Kendall, J F Becker, C F Hawkins.
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Year: 1971 PMID: 5569437 PMCID: PMC1005745 DOI: 10.1136/ard.30.2.166
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103