Guidelines on the evaluation of hepatitis B surface antigen (HBsAg) positive workers for employment / 
Hepatology Society of the Philippines 
 - Revised edition 
 - [Manila] :  Hepatology Society of the Philippines,  2011. 
 - 12 pages. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hepatitis B Surface Antigens<br/>Employment
<br/><br/><label>Subjects--Index Terms: </label>Guidelines Evaluation