Olivieri, I <br/><br/>
Ossification of the posterior longitudinal ligament in one of a pair of identical twins concordant for ankylosing spondylitis.  [electronic resource] 

 -  Clinical rheumatology  Jun 1994 
 - 309-11 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0770-3198 
<br/><br/><label>Standard No.: </label>10.1007/BF02249033  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Diseases in Twins<br/>Humans<br/>Male<br/>Ossification, Heterotopic--complications<br/>Posterior Cruciate Ligament--diagnostic imaging<br/>Radiography<br/>Spondylitis, Ankylosing--complications<br/>Twins, Monozygotic