Fernández-Villar, A <br/><br/>
Conservation of purified protein derivative RT-23 tuberculin.  [electronic resource] 

 -  Archivos de bronconeumologia  Jul 2004 
 - 301-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0300-2896 
<br/><br/><label>Standard No.: </label>10.1016/s1579-2129(06)60306-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Cross-Sectional Studies<br/>Drug Stability<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Prospective Studies<br/>Time Factors<br/>Tuberculin<br/>Tuberculin Test--standards