PERETTI, E <br/><br/>
[Infection and morbidity in persons born in 1920-1939, and who were given percutaneous tuberculin test while attending the school].  [electronic resource] 

 -  Zeitschrift fur Tuberkulose  1952 
 - 7-12 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biometry<br/>Humans<br/>Morbidity<br/>Schools<br/>Tuberculin<br/>Tuberculin Test<br/>Tuberculosis--epidemiology