Hernández-Avila, M <br/><br/>
[Epidemiologic study design].  [electronic resource] 

 -  Salud publica de Mexico   
 - 144-54 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-3634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case-Control Studies<br/>Cohort Studies<br/>Cross-Sectional Studies<br/>Epidemiologic Research Design<br/>Randomized Controlled Trials as Topic