RT Journal Article SR Electronic T1 WHO recommends life-saving interleukin-6 receptor blockers for COVID-19 and urges producers to join efforts to rapidly increase access JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 923 OP 923 VO 42 IS 8 YR 2021 UL http://smj.org.sa/content/42/8/923.abstract AB