title: [Main symptom: chronic deep back pain. Do you know the signs of Bechterew disease?].
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D003937:Diagnosis, Differential; D006801:Humans; D017116:Low Back Pain / Q000188:drug therapy / Q000209:etiology*; D008727:Methotrexate / Q000627:therapeutic use; D012446:Sacroiliac Joint; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000188:drug therapy; D012460:Sulfasalazine / Q000627:therapeutic use; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D014409:Tumor Necrosis Factor-alpha; D012460:Sulfasalazine; D008727:Methotrexate