TY  - BOOK
TI  - Potential COVID-19 vaccine shows promise
KW  - COVID-19
KW  - Vaccine
UR  - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=7cd8915d9ea6cdf8c40e0b57bf6e800e
ER  -