@book{4993,
	author = {Yap, DJ},
	title = {Drilon urges Gov't to buy 'The most effective vaccines' /},
	url = {http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=b3819090a2e9ad8a4000c8deaa4589aa}
}