title: Comment on: Monitoring Achilles enthesitis in ankylosing spondylitis during TNF-alpha antagonist therapy: an ultrasound study.
authors.forename: Karsten
authors.initials: K
authors.lastname: Knobloch
mesh_terms: D000125:Achilles Tendon / Q000000981:diagnostic imaging*; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D012720:Severity of Illness Index; D012737:Sex Factors; D013167:Spondylitis, Ankylosing / Q000188:drug therapy*; D016896:Treatment Outcome; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*; D014463:Ultrasonography; D055815:Young Adult
chemical_list: D018501:Antirheumatic Agents; D014409:Tumor Necrosis Factor-alpha