Science challenging Aids :  final program : 7. international conference on AIDS : Florence 16-21 June 1991. 

 - [S.l. :  s.n.],  stampa 1991 
 - 319 p. :  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sindrome da immunodeficienza acquisita--Congressi--Firenze--1991
<br/><br/><label>Dewey Class. No.: </label>616.9792 616.9792