Steen, V D <br/><br/>
Systemic sclerosis.  [electronic resource] 

 -  Rheumatic diseases clinics of North America  Aug 1990 
 - 641-54 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0889-857X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Scleroderma, Systemic--epidemiology