Aguiar Filho, A S <br/><br/>
[Asthma concepts and epidemiological tools for prevalence researches].  [electronic resource] 

 -  Revista portuguesa de pneumologia   
 - 319-29 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article; Review 
<br/><br/><label>ISSN: </label>0873-2159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asthma--epidemiology<br/>Epidemiologic Research Design<br/>Humans<br/>Prevalence<br/>Surveys and Questionnaires