title: Comment on: Investigation of candidate polymorphisms and disease activity in rheumatoid arthritis patients on methotrexate.
authors: Wouter M
authors: WM
authors: Kooloos
authors: Henk-Jan
authors: HJ
authors: Guchelaar
authors: Tom W J
authors: TW
authors: Huizinga
authors: Judith A M
authors: JA
authors: Wessels
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000235:genetics*; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use*; D020641:Polymorphism, Single Nucleotide; D012107:Research Design
chemical_list: D018501:Antirheumatic Agents; D008727:Methotrexate