Vertebral osteoporosis in ankylosing spondylitis.
D000328:Adult; D000368:Aged; D001706:Biopsy; D001862:Bone Resorption; D005260:Female; D005598:Fractures, Spontaneous / Q000209:etiology; D006253:Haversian System / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications / Q000209:etiology*; D010653:Phenylbutazone / Q000009:adverse effects; D011878:Radiotherapy / Q000009:adverse effects; D012272:Ribs / Q000473:pathology*; D012459:Salicylates / Q000009:adverse effects; D013122:Spinal Diseases / Q000209:etiology*; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000188:drug therapy / Q000532:radiotherapy; D013752:Tetracycline
D012459:Salicylates; D013752:Tetracycline; D010653:Phenylbutazone