@book{3660,
	author = {Lapid, Nancy},
	title = {Virus variants found to be deadlier, more contagious; some may thwart vaccines /},
	url = {http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=dee253372509fe62add75e77483d0476}
}