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An African Ancestry-Specific Allele of CTLA4 Confers Protection against Rheumatoid Arthritis in African Americans
- James M. Kelley,
- Laura B. Hughes,
- Jeffrey D. Faggard,
- Maria I. Danila,
- Monica H. Crawford,
- Yuanqing Edberg,
- Miguel A. Padilla,
- Hemant K. Tiwari,
- Andrew O. Westfall,
- Graciela S. Alarcón
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- Published: March 20, 2009
- https://doi.org/10.1371/journal.pgen.1000424