RT Journal Article SR Electronic T1 COVID-19 Global health crisis JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 3 OP 4 DO 10.15537/smj.2021.1.25663 VO 42 IS 1 A1 Fahdah Alokaily YR 2021 UL http://smj.org.sa/content/42/1/3.abstract AB