@book{1564,
	author = {Hepatology Society of the Philippines},
	title = {Guidelines on the evaluation of hepatitis B surface antigen (HBsAg) positive workers for employment /},
	publisher = {Hepatology Society of the Philippines,},
	year = {2011.},
	address = {[Manila] :},
	edition = {Revised edition},
	url = {http://hsp.org.ph/docs/HepaB-2011-HSP.pdf}
}