| Literature DB >> 4951716 |
R F Willkens, R R Whitaker, R V Anderson, D Berven.
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Year: 1967 PMID: 4951716 PMCID: PMC1031063 DOI: 10.1136/ard.26.4.306
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103