Berthelot, J M <br/><br/>
Antiperinuclear factor in the polyarticular form of juvenile chronic arthritis: are use of frozen material or age of patients relevant?  [electronic resource] 

 -  Annals of the rheumatic diseases  Jan 1995 
 - 76-7 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0003-4967 
<br/><br/><label>Standard No.: </label>10.1136/ard.54.1.76-b  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Age Factors<br/>Antibodies, Antinuclear--blood<br/>Arthritis, Juvenile--immunology<br/>Child<br/>Cryopreservation<br/>Humans<br/>Immunoglobulin G--blood