title: Is there a direct relationship between serum level of methotrexate and clinical efficacy and tolerability?
authors.affiliation: Department of Medicine, University of Texas Southwestern Medical Center, Metroplex Clinical Research Center, Dallas, Texas, USA.
authors.forename: Roy
authors.initials: R
authors.lastname: Fleischmann
authors.affiliation: Department of Medicine, New York University School of Medicine, NYU Hospital for Joint Diseases, New York, USA.
authors.forename: Yusuf
authors.initials: Y
authors.lastname: Yazici
mesh_terms: D018501:Antirheumatic Agents / Q000008:administration & dosage*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage*
chemical_list: D018501:Antirheumatic Agents; D008727:Methotrexate
keywords: DMARDs (synthetic); Methotrexate; Rheumatoid Arthritis