Comparison of rheumatoid (ankylosing) spondylitis and crippling fluorosis.
D000844:Ankylosis; D003937:Diagnosis, Differential; D005461:Fluorine / Q000506:poisoning*; D006801:Humans; D011041:Poisoning; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000175:diagnosis*
D005461:Fluorine
FLUORINE/poisoning; POISONING; SPONDYLITIS, ANKYLOSING/differential diagnosis