PT - JOURNAL ARTICLE ED - , TI - STUDY REVEALS LOW RISK OF COVID-19 INFECTION AMONG PATIENTS UNDERGOING HEAD AND NECK CANCER SURGERY DP - 2021 Jan 01 TA - Saudi Medical Journal PG - 118--118 VI - 42 IP - 1 4099 - http://smj.org.sa/content/42/1/118.short 4100 - http://smj.org.sa/content/42/1/118.full SO - Saudi Med J2021 Jan 01; 42