title: Folate status of patients on low-dose methotrexate therapy.
mesh_terms: D005492:Folic Acid / Q000097:blood*; D006801:Humans; D008214:Lymphocytes / Q000187:drug effects* / Q000378:metabolism; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects*; D012694:Serine / Q000097:blood
chemical_list: D012694:Serine; D005492:Folic Acid; D008727:Methotrexate