RT Journal Article SR Electronic T1 Interim statement of the COVID-19 subcommittee of the WHO Global Advisory Committee on vaccine safety on AstraZeneca COVID-19 vaccine JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 581 OP 582 VO 42 IS 5 YR 2021 UL http://smj.org.sa/content/42/5/581.abstract AB