| Literature DB >> 4412812 |
P M Johnson, J Watkins, P M Scopes, B M Tracey.
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Year: 1974 PMID: 4412812 PMCID: PMC1006273 DOI: 10.1136/ard.33.4.366
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103