TY  - BOOK
AU  - Reuters Staff
TI  - Russian scientists say Sputnik V performs well against COVID mutations
KW  - Russian scientists
KW  - against COVID mutations
KW  - Sputnik V
UR  - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=88bb1b98bfbf978877b4dcd9c236dce3
ER  -