TY  - JOUR
T1  - COVID-19 test first before vaccinating?. IN Commonsense [column]
JF  - Philippine Star
A1  - Villanueva, Marichu A.
LA  - English
YR  - 2021
UL  - https://tuklas.up.edu.ph/Record/IPN-00000689831
KW  - Coronavirus diseases : Testing
ER  -