Interaction between angiotensin-converting enzyme gene rs4343 polymorphism, environment factors, and angiotensin II level on susceptibility to knee osteoarthritis Basma Mohammed Mohammed Ali Elnaggar, Nashwa Mohamed Abd Elbaky, Eman Salah Albeltagy, Hala Mohamed El Zomor

The association between interleukin-6 promoter polymorphisms and rheumatoid arthritis by ethnicity: A meta-analysis of 33 studies Blanca T. Pacheco-Soto, Leonardo M. Porchia, William C. Lara-Vazquez, Enrique Torres-Rasgado, Ricardo Perez-Fuentes, M. Elba Gonzalez-Mejia

Impact of Genetic Variants of ATP Binding Cassette B1, AICAR Transformylase/IMP Cyclohydrolase, Folyl-polyglutamate Synthetase, and Methylenetetrahydrofolate Reductase on Methotrexate Toxicity Luis Sala-Icardo, Amalia Lamana, Ana María Ortiz, Elena García Lorenzo, Pablo Moreno Fresneda, Rosario García-Vicuña, Isidoro González-Álvaro