title: The PTPN22 R620W polymorphism is not associated with systemic rheumatic diseases in South Africans.
authors.forename: Mohammed
authors.initials: M
authors.lastname: Tikly
authors.forename: Nimmisha
authors.initials: N
authors.lastname: Govind
authors.forename: Jacqueline
authors.initials: J
authors.lastname: Frost
authors.forename: Michele
authors.initials: M
authors.lastname: Ramsay
mesh_terms: D044383:Black People / Q000235:genetics*; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D005838:Genotype; D006801:Humans; D011110:Polymorphism, Genetic; D054596:Protein Tyrosine Phosphatase, Non-Receptor Type 22 / Q000235:genetics*; D012216:Rheumatic Diseases / Q000235:genetics*; D012307:Risk Factors; D013019:South Africa
chemical_list: C516765:PTPN22 protein, human; D054596:Protein Tyrosine Phosphatase, Non-Receptor Type 22