A4 priority group simplified; more placed under A1 cluster

Bibliografski detalji
Izdano u:	Manila Bulletin Vol. 581, no. 29 (29 May. 2021), 1+
Glavni autor:	Geducos, Argyll Cyrus B.
Format:	Članak
Izdano:	2021
Teme:	COVID-19 vaccination