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| K182747 | EliA RF IgM Immunoassay | Phadia AB | 2018-12-18 |
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| K160070 | Rheumatoid Factor (RF) Kit for use on SPAPLUS | The Binding Site Group , Ltd. | 2016-12-07 |
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| K100499 | ORGENTEC RHEUMATOID FACTOR EIA | Orgentec Diagnostika GmbH | 2010-10-27 |
| K083080 | IGX PLEX RHEUMATOID ARTHRITIS (RA) ASSAY AND SQIDWORKS DIAGNOSTICS PLATFORM | Sqi Diagnostics Systems | 2009-10-29 |
| K071247 | N LATEX RF KIT | Dade Behring, Inc. | 2007-08-08 |
| K060201 | OLYMPUS RF LATEX CALIBRATOR, AND OLYMPUS RF LATEX REAGENT WITH MODEL(S): ODC0028, AND OSR61105. | Olympus America, Inc. | 2006-06-06 |
| K041891 | MININEPH HUMAN RHEUMATOID FACTOR KIT | The Binding Site | 2004-11-05 |
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| K033802 | ATHENA MULTI-LITE RHEUMATOID FACTOR IGM TEST SYSTEM | Zeus Scientific, Inc. | 2004-02-27 |
| K032535 | MODIFICATION TO:ROCHE DIAGNOSTICS TINA-QUANT RHEUMATOID FACTORS II TEST SYSTEM | Roche Diagnostics Corp. | 2003-09-10 |
| K024067 | RHEUMATOID FACTOR (RF) | Abbott Laboratories | 2003-01-15 |