Hepatitis B :  a sexually transmitted disease in heterosexuals, proceedings of a symposium held in Barcelona 6-7 May 1990 / 
P. Piot and F. E. Andre 
 - Amsterdam :  Excerpta Medica,  1990 
 - 105 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>044481356X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hepatitis B--Transmission--Congresses<br/>Hepatitis B--Epidemiology--Congresses