García Bengoechea, M <br/><br/>
[The control group and the groups with risk of hepatitis C].  [electronic resource] 

 -  Medicina clinica  Dec 1993 
 - 795 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0025-7753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hepatitis C--epidemiology<br/>Humans<br/>Risk Factors<br/>Seroepidemiologic Studies