National Institute of Hygiene and Epidemiology  (Hanoi) <br/><br/>
Research works in 1995-1996 =  Travaux de recherches en 1995-1996 / 
Editorial participants: Dang Duc Trach ... et al. 
 - Hanoi :  Medical Publ. House,  1998. 
 - 190 p.  ill. 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>Subjects--Index Terms: </label>Hygiene