PT - JOURNAL ARTICLE ED - Prince Sultan Military Medical City TI - New recommendations for the composition of influenza vaccines in 2023 for the southern hemisphere DP - 2022 Oct 01 TA - Saudi Medical Journal PG - 1177--1177 VI - 43 IP - 10 4099 - http://smj.org.sa/content/43/10/1177.short 4100 - http://smj.org.sa/content/43/10/1177.full SO - Saudi Med J2022 Oct 01; 43