PT - JOURNAL ARTICLE ED - , TI - Up to 650 000 people die of respiratory diseases linked to seasonal flu each year DP - 2018 Mar 01 TA - Saudi Medical Journal PG - 317--317 VI - 39 IP - 3 4099 - http://smj.org.sa/content/39/3/317.short 4100 - http://smj.org.sa/content/39/3/317.full SO - Saudi Med J2018 Mar 01; 39