| Literature DB >> 4543387 |
A E Helder, T M Feltkamp-Vroom, R L Nienhuis.
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Year: 1973 PMID: 4543387 PMCID: PMC1006162 DOI: 10.1136/ard.32.6.515
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103