title: Interrelationship of rheumatoid arthritis, folic acid, and aspirin.
mesh_terms: D000042:Absorption; D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000188:drug therapy; D001241:Aspirin / Q000009:adverse effects*; D003956:Dialysis; D004912:Erythrocytes / Q000032:analysis; D005365:FIGLU Test; D005492:Folic Acid / Q000097:blood* / Q000378:metabolism / Q000652:urine; D005494:Folic Acid Deficiency / Q000139:chemically induced; D006801:Humans; D007408:Intestinal Absorption; D007778:Lactobacillus / Q000378:metabolism; D011485:Protein Binding / Q000187:drug effects; D014316:Tritium
chemical_list: D014316:Tritium; D005492:Folic Acid; D001241:Aspirin