Re: J.M. Kremer--editorial.
Levin
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D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D056486:Chemical and Drug Induced Liver Injury; D006801:Humans; D008107:Liver Diseases / Q000517:prevention & control; D008727:Methotrexate / Q000627:therapeutic use*; D017410:Practice Guidelines as Topic
D018501:Antirheumatic Agents; D008727:Methotrexate