Soriano, V <br/><br/>
[The evidence of human immunodeficiency virus infection in the seronegative subjects of high-risk groups].  [electronic resource] 

 -  Medicina clinica  Oct 1991 
 - 441-5 p.  digital 
<br/><br/> Publication Type: Comparative Study; English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0025-7753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HIV Antibodies--blood<br/>HIV Infections--diagnosis<br/>HIV Seropositivity--diagnosis<br/>HIV-1<br/>Health Personnel<br/>Heroin Dependence--immunology<br/>Homosexuality<br/>Humans<br/>Male<br/>Polymerase Chain Reaction<br/>Risk Factors<br/>Sexual Behavior<br/>Sexual Partners<br/>Spain--epidemiology<br/>Substance Abuse, Intravenous--immunology<br/>Urban Population--statistics & numerical data