title: The HLA-DRB1*0401 allele and the development of methotrexate-induced accelerated rheumatoid nodulosis: a follow-up study of 79 Caucasian patients with rheumatoid arthritis.
authors.affiliation: Department of Internal Medicine, Division of Rheumatology and Clinical Immunogenetics, University of Texas Health Science Center at Houston, 6431 Fannin, Houston, TX 77030, USA.
authors.forename: S S
authors.initials: SS
authors.lastname: Ahmed
authors.forename: F C
authors.initials: FC
authors.lastname: Arnett
authors.forename: C A
authors.initials: CA
authors.lastname: Smith
authors.forename: C
authors.initials: C
authors.lastname: Ahn
authors.forename: J D
authors.initials: JD
authors.lastname: Reveille
mesh_terms: D000328:Adult; D000368:Aged; D000483:Alleles; D018501:Antirheumatic Agents / Q000009:adverse effects* / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D005260:Female; D005500:Follow-Up Studies; D006684:HLA-DR Antigens / Q000235:genetics*; D059811:HLA-DRB1 Chains; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000009:adverse effects* / Q000627:therapeutic use; D008875:Middle Aged; D012218:Rheumatoid Nodule / Q000208:ethnology / Q000235:genetics* / Q000503:physiopathology*; D044465:White People / Q000235:genetics
chemical_list: D018501:Antirheumatic Agents; D006684:HLA-DR Antigens; D059811:HLA-DRB1 Chains; C553505:HLA-DRB1*04:01 antigen; D008727:Methotrexate