TY  - BOOK
AU  - AFP
TI  - US waives patent protection on virus vaccines
KW  - virus vaccines
KW  - patent protection
KW  - US
UR  - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=b02cd8ec27870d72a8610fbd09587b17
ER  -